📅 Update Time: April 2026 | 👤 Suitable For: Complete Beginners | 📱 Support: Android & Apple Devices

欧易OKX下载页面
币安Binance下载页面
币安Binance注册页面

📌 What is USDT? Why Buy It?

USDT (Tether) is a stablecoin pegged 1:1 to the US Dollar, 1 USDT ≈ 1 USD. It’s the “admission ticket” to the cryptocurrency world. Many people use it to:

💱 Exchange for other cryptocurrencies (Bitcoin, Ethereum, etc.)

💰 Cross-border transfers with extremely low fees

📈 Participate in various DeFi financial products

🛡️ Hedge against exchange rate risk and hold USD assets

⚠️ Must Read Before Purchasing

**Required Materials**

| Item | Description |

|——|————-|

| 📇 ID Card | Chinese mainland resident ID (front and back) |

| 📱 Phone Number | Chinese mainland phone number for receiving verification codes |

| 💳 Payment Method | Bank card / Alipay / WeChat (choose one) |

| ⏱️ Estimated Time | First operation takes about 20-30 minutes |

| 💵 Minimum Amount | Starting from approximately 100 RMB |

🏆 Plan A: Buy USDT on OKX Exchange

OKX is one of the world’s top three exchanges, most user-friendly for Chinese users, with a clean interface – perfect for beginners!

**Step 1: Download OKX App** 📲

📱 OKX Official Download Page

📱 Android Devices

– Open your phone browser and visit OKX官网: www.okx.com

– Click the “下载App” (Download App) button at the top of the page

– Select “Android下载” (Android Download) to download the APK installation package

– If your phone prompts “禁止安装未知来源” (Prohibit installing unknown sources):

→ Go to Settings → Security → Allow installation from unknown sources

– Once installed, open the app

🍎 Apple Devices (iPhone / iPad)

– The China App Store doesn’t have it directly searchable. You need to switch to a Hong Kong or US region Apple ID

– Switching method: App Store → Top right avatar → Scroll to bottom → Log out → Log in with HK/US Apple ID

– Search for “OKX”, look for the red logo, developer is “OKX Technology Company”

– Click “Get” to install

💡 Don’t have an HK Apple ID? You can use the web version (www.okx.com) as a complete alternative to the app.

**Step 2: Register OKX Account** 📝

– Open the app or visit www.okx.com, click “注册” (Register)

– Select “手机号注册” (Phone number registration)

– Select Country/Region: “中国大陆 +86” (China Mainland)

– Enter your phone number

– Click “获取验证码” (Get verification code) and enter the 6-digit SMS code you received

– Set a login password (recommended 8+ characters, letters + numbers + symbols)

– Check “同意服务条款” (Agree to Terms of Service), click “注册” (Register)

– ✅ Registration successful!

**Step 3: Complete Identity Verification (KYC)** 🪪

⚠️ You must complete identity verification to buy/sell USDT! This is a compliance requirement – please proceed with confidence.

– After logging in, click the “头像图标” (Avatar icon) in the top left

– Select “身份认证” (Identity Verification)

– Select verification level:

– Basic Verification: Enter name + ID number (lower limits)

– Advanced Verification (Recommended): Upload ID photo + face recognition (higher limits)

– Follow the prompts to upload:

– ID front side (the side with photo)

– ID back side (the side with the national emblem)

– Complete face recognition (keep lighting adequate, face the camera directly)

– Submit for review – usually auto-approved within minutes

– ✅ After verification passes, you can buy crypto!

**Step 4: Buy USDT** 💰

OKX offers two buying methods. C2C trading is recommended for beginners:

💳 Method A: C2C Buy (Person-to-Person, most commonly used)

– Click “买币” (Buy Crypto) at the bottom menu

– Select “C2C买币” (C2C Buy)

– Confirm the top tab is “买入” (Buy)

– Select currency “USDT”

– Enter purchase amount (e.g., 500 RMB)

– System displays multiple seller ads – choose one with:

– ✅ Success rate 95%+

– ✅ High transaction volume (more = more reliable)

– ✅ “认证商家” (Verified merchant) badge preferred

– Click “购买” (Buy), select payment method (bank card/Alipay/WeChat)

– Click “确认购买” (Confirm Purchase), page shows seller’s payment info

– ⚠️ Transfer the amount shown on the page to the seller using your chosen payment method

– After transfer completes, return to app and click “我已付款” (I have paid)

– Wait for seller to confirm receipt (usually 5-15 minutes)

– 🎉 USDT automatically arrives in your OKX account!

⚡ Method B: Quick Buy (Faster, suitable for smaller amounts)

– Click “买币” (Buy Crypto) → “快捷买币” (Quick Buy)

– Select “USDT”, enter amount

– Select payment method (supports bank card)

– Follow the guide to complete payment – USDT arrives instantly

**Step 5: Check Your USDT Balance** 👀

– Click “资产” (Assets) at the bottom

– Select “资金账户” (Fiat Account)

– Find “USDT” to see your balance

– 🎉 Congratulations! You now successfully own USDT!

🥈 Plan B: Buy USDT on Binance Exchange

Binance is the world’s largest cryptocurrency exchange, with excellent trading depth and liquidity.

📱 Binance Official Download Page

**Step 1: Download Binance App** 📲

📱 Android Devices

– Visit Binance官网: www.binance.com

– Click “下载App” (Download App) → “Android”

– Download the APK file, allow installation from unknown sources, then install

🍎 Apple Devices

– Switch to Hong Kong/US Apple ID (same method as OKX tutorial)

– Search “Binance” in App Store

– Look for the yellow logo, click Get to install

**Step 2: Register Binance Account** 📝

📝 Binance Registration Page

– Open the app or visit www.binance.com, click “注册” (Register)

– Select “手机号注册” (Phone number registration)

– Select country “China +86”, enter phone number

– Get and enter SMS verification code

– Set login password (8+ characters, including uppercase + lowercase letters + numbers)

– Complete puzzle verification, click “创建账户” (Create Account)

– ✅ Registration complete!

**Step 3: Identity Verification (KYC)** 🪪

– After logging in, click “用户头像” (User avatar) in top right

– Select “身份认证” (Identity Verification) → “开始认证” (Start Verification)

– Select country “China”, ID type “身份证” (ID Card)

– Enter real name and ID number

– Upload ID front photo

– Upload ID back photo

– Complete face recognition verification

– Submit for review, wait for approval (about 10 minutes – 24 hours)

– ✅ After verification passes, you can trade!

**Step 4: Buy USDT** 💰

💳 Method A: C2C Trading Buy (Recommended)

– After login, click top menu “买币” (Buy Crypto) → “C2C交易” (C2C Trading)

– Confirm tab is “买入” (Buy)

– Select currency “USDT”

– Enter purchase amount (RMB)

– Filter quality sellers:

– ✅ Select “商家认证” (Merchant verified) sellers

– ✅ Completion rate 95%+

– ✅ Prioritize high trading volume

– Click “购买USDT” (Buy USDT)

– Select payment method (bank card/Alipay/WeChat)

– Click “确认下单” (Confirm Order)

– Follow page instructions, transfer to seller using specified method

– After transfer completes, click “已转账，通知卖家” (Transferred, notify seller)

– Wait for seller to release coins (usually 5-15 minutes)

– 🎉 USDT arrives!

⚡ Method B: Quick Buy

– Click “买币” (Buy Crypto) → “快捷买币” (Quick Buy)

– Select “USDT”, enter amount

– Select bank card payment

– Follow the guide to complete – USDT arrives quickly

**Step 5: Check USDT Balance** 👀

– Click “用户中心” (User Center) in top right

– Select “我的钱包” (My Wallet) → “现货账户” (Spot Account)

– Find “USDT” to view balance

🔐 Security Settings (Must Do After Buying!)

**1️⃣ Enable Google Authenticator (2FA)**

– Download the “Google Authenticator” app

– Bind Google Authenticator in exchange “安全设置” (Security Settings)

– Every login/withdrawal requires entering a 6-digit dynamic code

– ✅ Greatly improves account security!

**2️⃣ Set Fund Password**

– Go to “安全设置” (Security Settings) → “资金密码” (Fund Password)

– Set a 6-digit password different from your login password

– Required for every buy/sell operation to prevent accidental misuse

**3️⃣ Bind Phone and Email**

– Bind both phone number and email in “安全设置” (Security Settings)

– Dual verification makes account more secure

– You can also recover password via email if forgotten

❓ Common Questions for Beginners

**Q1: What’s the minimum amount to buy USDT?**

A: C2C trading usually starts from 100 RMB, quick buy may be lower. Beginners should start with a small amount to test the waters.

**Q2: What are the fees?**

A: C2C buy platform doesn’t charge fees, but the seller’s quote already includes a spread of about 0.1%-0.5%. Quick buy has slightly higher fees.

**Q3: Will my card be frozen?**

A: There’s some risk with C2C trading. Recommendations: ① Choose high-reputation verified merchants; ② Don’t make large amounts and quick in-and-out; ③ Don’t write crypto-related words in transfer notes.

**Q4: Which is better for beginners, OKX or Binance?**

A: Both are globally top exchanges. OKX has more friendly Chinese interface and faster customer service – recommended for beginners; Binance has larger trading volume and better liquidity. You can register for both and see which one feels better to use.

**Q5: Is identity verification safe?**

A: Both OKX and Binance are compliant exchanges. Identity verification is a legal requirement. Information is encrypted – please proceed with confidence.

**Q6: What can I do with USDT after buying?**

A: You can hold it directly (equivalent to holding USD), or use it to buy Bitcoin, Ethereum and other cryptocurrencies, or participate in financial products to earn returns.

📋 Complete Process Summary

| Step | Operation | Estimated Time |

|——|———–|—————–|

| 1️⃣ | Download OKX/Binance App (or open website) | 2 minutes |

| 2️⃣ | Register account with phone number | 3 minutes |

| 3️⃣ | Complete identity verification (ID + face) | 5-10 minutes |

| 4️⃣ | C2C buy (select seller → transfer → wait for release) | 10-15 minutes |

| 5️⃣ | Check USDT balance | 1 minute |

| 6️⃣ | Enable 2FA + set fund password | 5 minutes |

🎉 Final Words

Congratulations! After reading this tutorial, you’ve mastered the complete method for purchasing USDT in Mainland China. Remember these key points:

✅ Only use official channels to download apps – beware of phishing sites

✅ Choose high-reputation verified merchants for C2C trading

✅ Must enable 2FA dual verification to protect your account

✅ Start with small amounts, get familiar with operations before increasing

✅ Cryptocurrency has risks – invest cautiously

If you have any questions, feel free to leave a comment! 💬

If this tutorial helped you, please share it with friends who need it! 🙏