本文报告上海第一医学院自1935—1956年的21年中,共收治精神病患者4,506人次,其中精神分裂症占2,329人次,占精神病住院数的51.68％。本文就除去重复住院人次后之2,000例精神分裂症患者作临床分析及随訪研究,发現本症发病于21—30岁间者为最多(49.4％),发病于15岁以下及40岁以上者較少(1.3％及7.05％)。男女性別与发病率关系不大。在发病因素中,从家属史获得有精神病 This report reports that Shanghai First Medical College handled 4,506 mental patients in 21 years from 1935 to 1956, of which 2,329 were schizophrenics, accounting for 51.68% of the total number of psychiatric inpatients. This article on the removal of repeat hospitalization of 2,000 cases of schizophrenia for clinical analysis and follow-up study found that the incidence of this disease in the 21-30 year-old was the largest (49.4%), the incidence of less than 15 years of age and 40 years of age Fewer (1.3% and 7.05%). There is not much correlation between male and female gender and morbidity. In the incidence of factors, obtained from the family history of mental illness