本文报告用硝硫氰胺的微囊片、微粉及滴丸三种剂型治疗血吸虫病2,204例的临床观察。经3～6月的疗效考核证实三种剂型的疗效相等,均在80％以上。作者认为微囊片型具有剂量准确,服用方便,疗效与其他二型相等而付作用比其他二型轻的优点,是值得推广的一种剂型。 This article reports the clinical observation of treating 2,204 cases of schistosomiasis with three types of microcapsule tablet, micron powder and dripping pill of nitrocytamide. After 3 to 6 months of efficacy assessment confirmed that the efficacy of the three formulations are equal, are more than 80%. The author believes that the microcapsule sheet has the advantages of accurate dosage, convenient administration, equal efficacy to other type two, and lower cost than other two types, which is worth promoting.