The PLA Fourth Hospital is located in the High-tech Development Zone of Chengdong District, Xining City, Qinghai Province. It is a comprehensive Grade 3A hospital integrating medical treatment, teaching, scientific research, prevention, health care, rehabilitation and first aid, and has been identified by Qinghai Province and Xining City as the designated hospital for urban workers' medical insurance. The hospital*** has 350 beds and 16 departments (including 12 clinical departments and 4 non-clinical departments), with large-scale advanced medical equipments such as whole-body CT, color ultrasound, large X-ray machine, transcranial multi-spectral, laparoscopy, electronic gastroscope, extracorporeal lithotripter, automatic biochemistry analyzer, hemodialysis machine, laser cosmetology, and C-arm, oncology treatment and other large-scale advanced medical equipments, and there is the Orthopedic Traumatology and Traumatism Treatment Center of Lanzhou Military Region, Lanzhou Military Region Respiratory Internal Medicine Center, Lanzhou Military Region Follicular Disease Treatment Center and Follicular Disease Research Institute, Xining Laser Medical Center of U.S.A. Kang'ao Company, Xining Extracorporeal Lithotripsy Center of Shanghai Zhonglian Company, and Austrian Cochlear Implant Center. In recent years, the hospital has always adhered to the service tenet of "popularization of charges, family-oriented service, professionalization of the team and modernization of equipment", and has taken the complete ward facilities, elegant and comfortable environment as the guarantee, and the high-quality professional talent team and humanized, high-quality and intimate service as the basis to face the troops of the medical system and the general public to achieve the quality medical treatment, which has been well received by the patients. The quality of medical treatment, by the majority of patients praise.