Tinidazole Sodium Chloride Injection has high activity against protozoa and anaerobic bacteria, and has antibacterial activity against Bacteroides fragilis and other Bacteroides spp, Clostridium spp, Clostridium spp, Streptococcus pepticus, Streptococcus pepticus, Veronococcus spp and Gardnerella spp. It can inhibit most of the anaerobic bacteria, microaerobic bacteria and Helicobacter pylori are sensitive to it. Its effect on Trichomonas vaginalis is similar to that of metronidazole, and its metabolites are more active against Gardnerella than tinidazole. It can be widely used clinically for various anaerobic infections, such as pelvic inflammatory disease, peritonitis, stomatitis, perianal abscess, pseudomembranous colitis, ulcerative gingivitis, diabetes mellitus, gangrene. It can also prevent postoperative infections, infections after colon and rectal surgery, such as sepsis, etc., various anaerobic bacterial infections after gastrointestinal surgery and gynecological surgery, etc.