At present, it is not clear that Tinidazole in the human carcinogenicity, the use of drugs should pay attention to the indications, contraindications and adverse reactions, the specific use of medication in accordance with the doctor’s instructions. Tinidazole is an antiprotozoal and anaerobic drug, which can be used for the treatment of various anaerobic infections, amebiasis, vaginal trichomoniasis, etc. It can also be used as a preoperative prophylaxis for colorectal surgery, obstetrics and gynecology surgery and oral surgery. The drug should be contraindicated in people who are allergic to tinidazole or pyrroles, patients with organic central nervous system diseases, people with a history of hematologic disorders or malignant diseases, pregnant women in the first 3 months of pregnancy, lactating women, patients under 12 years of age. Adverse reactions such as nausea, vomiting, epigastric pain, decreased appetite, metallic taste in the mouth may occur after administration. The drug has been found to have carcinogenic and mutagenic effects in animal tests and in vitro assays, but there is no information about it in human tests. Specific use of the drug in question should be under the guidance of a specialist and should not be used without authorization.