Observe the stoma after the fistula is removed, clean the surrounding skin after sterilization, change the dressing regularly, and infections need to be treated with topical antibiotic ointment such as mupirocin ointment to prevent and control infections. Nursing measures include: encourage the patient to move down to the ground when the condition permits, protect the wound from contact with water and pollutants, and change the gauze covering the wound in time when it is soaked. Recovery of gastrointestinal function is also very important, from fluids to semi-fluids to normal diet, need to strengthen the nutrition to promote wound healing. In addition to the above nursing measures, psychological care is also very important, family doctors should give patients care and comfort, establish a good state of mind, especially for patients with mental illness.