银屑病为一常见皮肤病。本病病因复杂,从临床及实验医学研究,未能确定其病因。已知遗传因素起重要作用,但环境因素包括地理自然条件和社会生活等因素亦应研究。因此我们根据全国银屑病流行调查组的统一计划,于1984年5月及10月,分别在成 Psoriasis is a common skin disease. The etiology of this disease is complex, from clinical and experimental medical research, failed to determine the cause. Known genetic factors play an important role, but environmental factors, including geographical and natural conditions and social life and other factors should also be studied. Therefore, according to the unified plan of the National Psoriasis Epidemiological Investigation Team, we conducted the project in May and October 1984 respectively