Liaocheng City Second People's Hospital was established in 1886, is located in Linqing City, is a set of medical care, scientific research, teaching as a whole and a complete range of advanced equipment, personnel echelon reasonable tertiary comprehensive hospital.1 The hospital covers an area of more than 100 acres, building area of more than 100,000 square meters, more than 1500 beds, annual outpatient clinic capacity of more than one million, the year discharged more than 60,000 patients.1 The hospital is also the affiliated hospital of Taishan Medical College, Binzhou Medical College teaching hospital. It is also the affiliated hospital of Taishan Medical College and the teaching hospital of Binzhou Medical College. It is the first batch of stroke screening and prevention base of the Ministry of Health, and the gynecological cervical cancer prevention and treatment base. It is a partner of the University of Texas in the study of the etiology of childhood diarrhea and the etiology of rheumatic diseases.