The term “fire” is not clearly defined in Chinese and Western medicine. Pain in the buttocks may be caused by dry stools, hemorrhoids, anal fissures, etc. It can be relieved by dietary modification, medication, and surgery. It can be relieved by diet, medication and surgery. 1. Dry stools: Dry stools due to poor diet and insufficient water intake may cause pain in the buttocks during defecation. Patients are advised to regulate their diet, eat more vegetables and fruits rich in crude fiber, drink more water, and take moderate exercise. 2. Hemorrhoids: There is obvious pain in the buttocks due to the attack of hemorrhoids caused by bad habits and diet. You can use drugs such as diclofenac sodium suppositories to relieve pain, and you can also use warm water or potassium permanganate solution to sit in the bath to relieve pain. If the medication is not obvious, it can be treated by surgery such as hemorrhoidectomy. 3. Anal fissure: Anal fissure is caused by constipation, thick and hard stool line, so there is pain in the buttocks. It can be treated with medicines such as acetaminophen tablets and lactulose oral solution. If it is an old anal fissure recurring, it needs to be treated with surgery such as anal fissure resection. Buttock pain should be timely to the hospital, ask the doctor to clarify the diagnosis and treatment, all drugs must also be used as prescribed by the doctor to avoid adverse consequences.