Tools: mobile phone, WeChat APP.

1. Open WeChat, and search for the official WeChat account of China Electronic Supervision Network.

2. After entering the official WeChat account, click "Query" and "Food Supervision" in the menu bar.

3. In the pop-up page, click "Food Safety Supervision of Catering Services" or "Catering Services" to enter the query page.

4. In the query page, enter the license number, enterprise name or unified social credit code, and click "Query" to view the access point of the enterprise's "Internet plus kitchen".

5. Enter the filling mode.