Fistulas, that is, anal fistulas, are treated in many ways, one is non-surgical, mainly to control infection and reduce symptoms, which can be treated with antibiotics against gram-negative bacilli and broad-spectrum antibiotics, such as second- and third-generation cephalosporins or quinolones, as well as anti-anaerobic drugs such as metronidazole and tinidazole to give anti-inflammatory treatment. There are also fumigation methods that can be used such as perianal fumigation with thorny fumigant and topical hemorrhoid creams such as tylenol compounded with keratanate, which can play a role in anti-inflammatory and pain relief. Anal fistula cannot be cured, and if you want to treat it completely, you must undergo surgery. The surgery mainly lies in the correct search for the treatment of the internal mouth, then protect the anal sphincter, try to preserve the integrity of the rectal ring of the anal canal, and then follow the internal mouth to remove the fistula as well as the infected foreign body, so the fistula is the anal fistula, treatment is divided into many kinds.