If there is pain and itching in the anus, you can deal with it yourself first. First, warm water can be used to clean perianal tissues, and warm water hip bath can be carried out at the same time. You can also go to the pharmacy to buy some potassium permanganate granules and dilute them in a ratio of 1:5000. This diluted solution has better analgesic and antipruritic effects. At the same time, it can self fill hemorrhoid ointment, hemorrhoid suppository and other drugs, which can reduce local edema and help patients improve their symptoms. In addition, during the treatment process, we must drink more water, exercise properly, and eat some food and drugs to relieve constipation. When the patient's stool is clear, the stimulation to local tissues will be reduced, and the patient's symptoms will also be alleviated. If the patient's symptoms persist, it is recommended to go to the anorectal department for medical treatment. For patients with particularly serious conditions, surgery may be required.