诊断标准:①秋冬季;②年龄6个月至2岁;③急性腹泻,黄或黄绿色水样或蛋花样便;④大便镜检脂肪球0～+++,白细胞0～3个/HP;⑤病程1～5d;⑥血象正常治疗方法:将61例随机分为两组,治疗组30例,对照组31例。两组均采用液体疗法,维生素、抗生素、助消化药物等。治疗组在此基础上加口服叶酸每次5mg,每日3次;潘生丁3mg/kg·d,分3次服。治疗组 Diagnostic criteria: ① autumn and winter; ② age 6 months to 2 years; ③ acute diarrhea, yellow or yellow green water or egg-like stools; ④ stool microscopic examination of fat ball 0 ~ +++, white blood cells 0 to 3 / HP ; ⑤ course of 1 ~ 5d; ⑥ blood normal treatment: 61 cases were randomly divided into two groups, the treatment group 30 cases, control group 31 cases. Both groups used liquid therapy, vitamins, antibiotics, digestive drugs and so on. The treatment group on this basis plus oral folic acid each time 5mg, 3 times a day; dipyridamole 3mg / kg · d, 3 times. therapy group