1. Open the browser, enter "Xuexin.com" in Baidu, and click "Baidu Click"

2. Click on the official website of "China Higher Education Student Information Network"

3. After opening Xuexin.com, pull down the interface

4. Click the "Secondary Education Qualification" option

5. Enter the "Certificate Number" , "Report Number", "Verification Code" and other information

6. Click the "Query" button to query your technical secondary school certificate