User Guide for New USDT Users in Mainland China 2025 Latest Version

If you are a beginner just getting into virtual currency, especially in mainland China, and want to understand how to buy and sell USDT (Tether), this guide will provide you with a complete solution!
This article will teach you step-by-step how to complete the buying, selling, exchanging, and wealth management of USDT through mainstream exchanges, helping you safely and efficiently start your digital asset journey.

Core Points Overview#

This article will systematically explain the following content:

The anchoring principle and price characteristics of USDT to the US dollar
A complete operational guide for mainland Chinese users to purchase USDT
Operational tips for exchanging USDT for Bitcoin and other mainstream currencies
Practical methods for obtaining annualized returns through stablecoin wealth management

I. Understanding the Essence of USDT#

As a stablecoin pegged 1:1 to the US dollar, the price of USDT always fluctuates in sync with the US dollar (which can be verified in real-time via Google). The "T" in its name represents the issuer, Tether Limited (official website Tether.to). Although the official website has a high threshold for purchase starting at $100,000, small and flexible purchases can be made through exchanges.

II. Exchange Selection and Registration#

Recommended Platform: OKX Exchange#

The second-largest digital asset trading platform globally
User-friendly Chinese interface, supports Alipay/WeChat Pay
Among the lowest trading fees in the industry

Exclusive Registration Channel
Click to register on the OKX official website (20% fee reduction)
Backup link (some regions may require a VPN)

Registration Process#

Select the China region and fill in your email to complete basic registration
When downloading the app, note:
- Android users can install directly (ignore system security prompts)
- Apple users need to switch to an overseas Apple ID to download (detailed tutorials available on Zhihu)

III. Complete Process for Buying and Selling USDT#

Purchase Operation Guide#

Log in to the OKX APP and click [I want to buy coins] → [C2C buy coins]
Select [Quick Trade] → enter the purchase amount → choose Alipay/WeChat Pay
Transfer to the merchant matched by the system as prompted → click [I have paid] → wait for USDT to arrive

Selling Cash-Out Process#

Enter [C2C sell coins] and select the quantity to sell
Release USDT after confirming the buyer's payment
RMB will automatically arrive in the bound account

IV. Advanced Operation Guide#

Exchanging for Bitcoin (BTC)#

Transfer USDT from the funding account to the trading account
Select [Spot Trading] → [BTC/USDT] trading pair
Two trading modes:
- Limit Order: set a target transaction price
- Market Order: execute at the best available price immediately

Stablecoin Wealth Management#

Enter [Simple Coin Earning] and select USDT wealth management
Available options:
- Flexible wealth management: 3.96%-4.7% annualized return
- Fixed-term wealth management: up to 10% annualized return

V. Fund Security Management#

Regularly check the account balance in [Asset Management]
For large assets, it is recommended to enable Google verification + SMS dual authentication
When withdrawing, prioritize using the whitelist address mechanism

High-Frequency Search Keywords#

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