The hard tube felt by the anus in the shape of a strip is considered to be a perianal abscess, anal fistula, and can be treated with medication or surgery as prescribed by the doctor. 1. Perianal abscess: for those who have clear perianal abscess, should cooperate with the doctor as soon as possible to incise and drain the treatment. In the abscess drainage, patients also need to follow the doctor’s instructions with penicillin, erythromycin and other antibiotics to control infection. Some of those who have difficulty or pain in defecation can be improved with volumetric laxatives such as magnesium sulfate and lactulose. Daily available 1:5000 potassium permanganate solution or warm water sitz bath. 2. anal fistula: anal fistula intermittent patients have no obvious symptoms, can not take treatment measures for the time being. If accompanied by pus, redness, swelling, pain and other discomfort symptoms, you can follow the doctor’s instructions for anal fistula incision, anal fistula resection and hanging therapy and other ways of treatment, but also external erythromycin ointment, tetracycline ointment and other antibacterial ointment. After daily bowel movement or before bedtime, 1:5000 potassium permanganate solution or warm water sitz bath can be used to promote the healing of the wound. The person who feels the hard tube in the shape of a strip next to the anus is recommended to consult a doctor in time for examination, so as to clarify the disease and then follow the doctor’s instructions for treatment, and not to use medicines indiscriminately or listen to prescriptions, in order to avoid delaying the condition and causing adverse reactions.