To check the balance of Douyin e-commerce Douyin coins, you can follow the steps below:

First, open the Douyin app and log in to your account.

Then, click the "Me" button in the bottom navigation bar to enter the personal homepage.

On the personal homepage, click the settings button in the upper right corner to enter the settings page.

On the settings page, find and click the "My Wallet" option.

On the wallet page, you can see the balance of e-commerce Douyin coins.

If you want to view a more detailed record of e-commerce Douyin coin usage, you can click the "Details" button. With these steps, you can easily view the balance and usage record of Douyin e-commerce Douyin coins.