20 17. according to the investigation of Lanzhou local treasure, Gansu province began to implement the qualification examination system for high school graduates from 20 17. The implementation of this system is to promote the quality of high school education and ensure that the academic level of high school graduates meets the requirements of national and local education departments. Through the qualification examination, high school graduates who meet the standards can be screened out, providing better opportunities for further study and employment. This move will also help to reduce the number of high school graduates, ease the pressure of university enrollment and promote the rational distribution of educational resources.