After complete recovery from anal fistula it is recommended to continue sitz baths for some time. Anal fistula is a lesion that occurs as a sequela to the ulceration or incision and drainage of an abscess around the anorectum. Anal fistula is a two-stage disease formed by the abscess rupture wound does not heal pus cavity wall fibrosis and fistula. Anal fistula can mostly be cured after surgical treatment. After the recovery of anal fistula still need to maintain good habits, regular bowel movement, daily bowel movement after the sitz bath, keep the anus clean, to prevent infection has a positive effect. Through the sitz bath to improve local blood circulation, enhance the resistance to disease, reduce the inflammatory response, for the prevention of anal fistula recurrence is very good, it is recommended that 2 times a day (after defecation and before going to bed), each time 5 ~ 10 minutes can be. If you have perianal discomfort, repeated pus and blood flow and other symptoms, you should go to the hospital in time, give treatment as soon as possible, so as not to delay the condition.