1990年7～8月,我们在西安市儿童医院门诊,收集腹泻小儿粪便进行隐孢子虫感染情况调查,检查方法为粪便直接涂片干燥,甲醇固定后,先用金胺一酚染色,荧光显微镜检查,发现阳性或可疑者,再用改良抗酸染色法复染,光镜下鉴定确认。结果共检查小儿190人,其中男127人,女63人;年龄为2个月～10岁,1岁以下占56.3%,1～5岁占38.4%。发现隐孢子虫感染者3例,阳性率为1.58%。3 From July to August 1990, we investigated the infection of cryptosporidium in diarrhea pediatric patients in Xi’an Children’s Hospital. The examination method was as follows: the direct smear of the stool was dried and fixed with methanol, then stained with ammine-phenol, and fluorescence microscopy Check and found positive or suspicious, and then stained with improved acid-fast staining, identified by light microscopy. Results Totally 190 children were examined, including 127 males and 63 females. The age ranged from 2 months to 10 years, 56.3% under 1 year old and 38.4% from 1 to 5 years old. Three cases of cryptosporidiosis were found, the positive rate was 1.58%. 3