1989年4～10月,对拉萨、日喀则、泽当镇、错那县城关医院不同民族的门诊病人和接受健康检查与普查者采血,用IHA法进行了弓形虫感染血清学调查。结果共检测血清标本468份,阳性48份,总阳性率10.26％;检测我所门诊病例血清标本87份,阳性5份,阳性率5.75％,二者有显著性差异(P<0.05)。西藏地区人群弓形虫IHA抗体滴度平均为1:64的35例,1:256的11例,1:1024的2例;GMRT为98.7。藏族341人中,阳性率为11.14％;汉族119人为8.40％,二者无显著性差异;其它门巴、回、满族8人均为阴性。性别年龄及职业人群弓形虫抗体阳性率均无显著性差 From April to October 1989, outpatients from different ethnic groups in Lhasa, Shigatse, Zedong, and Chengguan hospitals in Kunlun county were recruited for blood tests. Toxoplasma infection serological surveys were performed by the IHA method. Results A total of 468 serum samples were detected, 48 were positive and the total positive rate was 10.26%. 87 serum samples from our outpatient department were detected, and the positive rate was 5.75%. There were significant differences (P <0.05). Toxoplasma gondii Toxoplasma gondii tibiae in Tibet population average 1:64 35 patients, 1: 256 in 11 cases, 1: 1024 in 2 cases; GMRT was 98.7. Among 341 Tibetans, the positive rate was 11.14%; Han people 119 were 8.40%, there was no significant difference between them; other Menba, Hui, Manchu 8 were negative. Sex and age groups and occupational groups Toxoplasma antibody positive rate was no significant difference