If you have burning pain in the anus when you have a bowel movement, you need to find the cause, whether it is caused by dry stools or by too frequent stools. If the stool is too dry, you need to take oral laxative medication, you can choose marijuana pill, Sophora pill or lactulose oral solution. If the stool is too frequent and thin, you need to take oral medication such as montelukast to stop the diarrhea. Usually, the number of stools is kept at about 1-2 times a day, the stool is banana-shaped soft stool, and the symptoms of burning pain in the anus can be reduced. Try to eat a light diet, avoiding spicy and stimulating foods and fried foods. At the same time, you can also apply hemorrhoid ointment, such as anal tide ointment, Ma Yinglong hemorrhoid cream, etc., to clear the heat and detoxification, pain relief effect.