Tax rate inquiry method: 1. Search the electronic tax bureau on Baidu, enter the user name and password, and click Login. 2. After entering the electronic tax bureau, click I want to inquire at the top of the interface. 3. Click "I want to query" and click "Historical Tax Operation Query". 4. Click the historical tax operation query, and the interface will jump, and then click the management query. 5. Click Confirm Management Query, click Tax (Fee) to confirm the query, then pull the interface to the far right and click Query. 6. Click Query to open all taxes and specific tax rates approved by the company.