滴虫病占阴道炎的４８％［１］，目前；临床上主要用甲硝唑进行治疗。近年来，美国Ｐｆｉｚｅｒ公司开发新药替硝唑用于治疗原虫感染疾病，口服制剂已用于临床，与甲硝唑相比具有作用强，疗程短等［２］优点，ＷＨＯ推荐替硝唑为个人和集体治疗的最佳药物［３，４］。但口服用 Trichomoniasis accounts for 48% of vaginitis [1], at present; the main clinical treatment with metronidazole. In recent years, the United States Pfizer company to develop new drugs tinidazole for the treatment of protozoal infections, oral preparations have been used clinically, compared with metronidazole has a strong role, short course [2] advantages, the WHO recommended tinidazole for the individual And the best drug for group therapy [3,4]. But for oral use