Need to fill in the materials, within 3 working days. The certification materials submitted must be from medical units at or above the county level in the past two years. Proof materials include medical records or diagnosis certificates. Sports injuries require inspection reports. The certification materials must reflect the name, time, personnel and department of the hospital. The diagnosis certificate must be stamped with the official seal and completed within 3 working days, and it will be changed to inspection-free completion. Shandong University, a university directly under the Ministry of Education of People's Republic of China (PRC), a university directly under the central government, is a national, double-class, 985 project, 21/project.