有关蠕形螨对人体感染和致病的研究，国外已有不少报道。近年来国内据不完全统计已有北京、上海、天津等十余个省、市、地区的报告，人体蠕形螨感染率在0.8～70.03％之间。重庆地区尚未见报道，为进一步开展防治研究，我们自1987年12月至1988年2月对本地区各类人员1165人进行了调查。 Demodex mites on human infection and pathogenic research, there have been many reports abroad. In recent years, according to incomplete statistics in China, more than 10 provinces, cities and regions in Beijing, Shanghai and Tianjin have reported that the infection rate of Demodex was between 0.8% and 70.03%. In Chongqing, no reports have been reported yet. To further carry out prevention and control research, we conducted a survey on 1165 people of all kinds in the region from December 1987 to February 1988.