1. Log in to Xuexin.com for query: open Baidu search, enter Xuexin.com in the search bar, find "China Higher Education Student Information Network" after search, and click Enter; After entering the China Higher Education Student Information Network, find the item "Higher Education Degree", click Enter, and enter the corresponding information for inquiry.
2. Government website inquiry: Baidu searches for "China government website" on the computer browser, and clicks the relevant link to enter. When you come to a new page, find and select "Ministry of Human Resources and Social Security" in the file window. Select "National Technical College Diploma Inquiry" in "Online Inquiry", and then enter relevant information for inquiry.