Metronidazole suppositories can be inserted into the anus and are effective in the treatment of anal canal inflammation or anal sinusitis. For the treatment of hemorrhoids alone it is recommended to choose hemorrhoid suppositories for anal delivery treatment. Metronidazole suppositories are mainly for inflammatory diseases of the anal canal and can effectively eliminate inflammation. If there is anal canal inflammation proctitis or anal sinusitis, in addition to anal plugging metronidazole suppositories, you can also work with Chinese medicine reserved enema or let the patient take oral medicine to clear heat and cool blood and detoxify the toxin. During the treatment period, pay attention to a light diet, do not eat too spicy and stimulating food, especially seafood, mutton, chili peppers, etc., raw and cold food also try to eat less, food on the anal canal local inflammation, especially irritating food, will lead to local mucosa in a congested, edematous state, resulting in inflammation or congestion changes.