Anal canker sores can be treated using the following methods: first, local sitz bath treatment, you can use warm salt water or potassium permanganate solution diluted for local cleaning, sitz bath treatment, can play an anti-inflammatory, pain-relieving effect. Second, local medication, you can apply erythromycin ointment, Ma Yinglong hemorrhoid cream treatment. Third, oral medication for treatment, clinically more commonly used oral medication, such as amoxicillin capsules, three yellow tablets, niuhuang detoxification tablets. Fourthly, surgery can be performed directly, which is applicable when drug treatment is ineffective or the symptoms are more serious. In summary, once an anal sore appears, you should go to the relevant hospital department for examination and diagnosis in a timely manner and carry out relevant treatment according to the examination results.