替硝唑（Tinidazole）是一种强力抗厌氧菌及抗原虫感染的药物，是继甲硝唑后研制成功的硝基咪唑类衍生物，抗厌氧菌疗效高，耐受性好，体内分布广，耐药性低[1]，是替代甲硝唑的更优良的新药。临床上常与其他抗生素同时应用，以治疗和预防术后感染，尤其是厌氧菌和需氧菌引起的 Tinidazole is a potent anti-anaerobic and anti-protozoal infection drug. It is a nitroimidazole derivative successfully developed after metronidazole. It has high anti-anaerobic efficacy, good tolerance, wide distribution in vivo, and drug resistance Low [1], is a better alternative new drug metronidazole. Clinically often with other antibiotics at the same time, to treat and prevent postoperative infections, especially anaerobic bacteria and aerobic bacteria caused