通常认为,人毛滴虫寄生于人大肠,内但是否致病,尚待探索.笔者翻阅手头有限资料,论及者不多,现仅就我们所见五例报告于后.例1.男,34岁.赤脚医生,便泌腹泻交替出现4～5年,大便时而干结.时而腹痛、腹泻,解糊状大便,带有粘液,2～3次/日,偶而有少量血液混合.平时饮食活动如常,腹泻发作时,有乏力、纳减及轻度里急后重感,无恶心呕吐,不发热.体检:巩膜不黄,右下腹轻度压痛,肝脾不大,未 It is generally believed that the human trichomoniasis parasites in the human large intestine, but whether the disease is yet to be explored. The author read limited information on hand, not many people mentioned, now we only see five cases reported later. , 34 years old. Barefoot doctor, the secretion of diarrhea alternating 4 to 5 years, sometimes stool stool .And sometimes abdominal pain, diarrhea, paste the stool, with mucus, 2 to 3 times / day, occasionally a small amount of blood mixed. Activities as usual, diarrhea attack, fatigue, Minus and mild tenesmus, no nausea and vomiting, no fever. Physical examination: the sclera is not yellow, right lower quadrant mild tenderness, liver and spleen not, not