Anal fistula may form complex anal fistula or even cancer over time, requiring timely surgical treatment. Anal fistula is a chronic inflammatory disease secondary to perianal abscess rupture or perianal abscess incision and drainage after the formation of a chronic inflammatory disease, can be manifested as perianal swelling and pain, perianal repeated rupture pus, intermittent episodes, it is difficult to self-healing, seriously affecting the normal life. Surgery is the only way to cure the disease. If the fistula is not dealt with for a long time, it can lead to fistula fistula become more, become deeper, forming complex anal fistula, increase the difficulty of surgery and increase the surgical wound, a few cases of fistula may also be malignant. Once found fistula, it is recommended to timely surgery, avoid delay, otherwise it is easy to lead to prolonged healing time, trauma increase and even affect the survival. Fistula patients need to be reasonable in their daily lives, regular, light diet, eat less or do not eat spicy stimulating greasy food, avoid staying up late and tired, moderate exercise to enhance resistance.