At present, the main anal diseases are internal hemorrhoids, external hemorrhoids, mixed hemorrhoids, anal fissure, perianal abscess, anal fistula and anal stenosis, etc. The clinical symptoms of different diseases are different.1, internal hemorrhoids are mainly caused by intermittent painless blood in the stool. Severe prolapse of internal hemorrhoids may occur.2, external hemorrhoids are mainly the emergence of anal foreign body sensation, moisture, itching and other discomforts.3, for anal fissure will cause the patient to appear defecation pain, after defecation, pain relief, but after a period of time will be spasmodic, contraction of the anus pain, and the pain is severe.4, perianal abscesses will be manifested in the parianal with redness, swelling, heat, pain, and severe will be accompanied by the symptoms of fever.5, perianal fistula will lead to the emergence of the patient’s pain and suffering, Anal fistula will lead to recurrent swelling and pain, as well as symptoms of pus and bloody water.