笔者于1998年5月从一患儿大便常规检查中，发现粉螨虫1例，现报道如下。1病例报告患儿，男，7岁，随父母外来打工，以原因不明的腹痛、腹泻及恶心1周，每日腹泻3～5次，经口服黄连素、诺氟沙星等抗菌止泻药治疗无效，来我院门诊。查体：精神和发育欠佳，营养不良，贫血貌，下腹 The author in May 1998 from a routine stool examination in children and found powder acaroid 1 case, are reported below. 1 case report Children, male, 7 years old, working with their parents outside the home, with unexplained abdominal pain, diarrhea and nausea for 1 week, 3 to 5 times daily diarrhea, oral administration of berberine, norfloxacin antibacterial antidiarrheal drugs Invalid, come to our hospital. Physical examination: poor mental and development, malnutrition, anemia appearance, lower abdomen