1. A student's diploma has exceeded the time limit for online inquiry, so it cannot be inquired. 2. The student's graduation certificate is fake, which is not within the scope of academic qualifications recognized by the state. Naturally, it can't be found out. 3. The graduation period of students is too short. You can't find the diploma information in Xuexin.com until half a year after graduation ... If you can't find it, you need to submit an application for academic certification to the academic certification center to obtain academic certification with a report number.