The possible clinical causes of perianal eczema, ringworm, hemorrhoids, etc. Itching in the perianal area of the anorectal erosion. 1. perianal eczema: if part of the population itself suffers from other types of perianal diseases, the affected area is prone to secretion oozing out of the situation and the perianal skin caused by irritation, thus making the local moist and sweaty, red spots around the anus, pimples, etc., accompanied by itching symptoms, in severe cases, may also appear in localized tissues of the vesiculoblasts. 2. Ringworm: this condition is usually associated with skin infection by ringworm bacteria, and direct contact with infected people or sharing hygiene items with infected people, and its main feature is that the groin, buttocks and anus and other parts of the skin lesions, oozing, vesicles, etc., and erythema, itching and other symptoms. 3. hemorrhoids: this situation is usually associated with frequent defecation time is too long or sedentary and other situations, resulting in rectal veins congested into a mass, the main clinical manifestations for the affected areas of pain, itching symptoms and bleeding, in severe cases there will be hemorrhoids out of the perianal tissues of the peripheral tissue of the erosion. The emergence of anorectal erosion, perianal itching, there may be other causes, such as rectal tumors, rectal polyps and other diseases, it is recommended that the existence of the relevant situation of the population to the hospital in time to diagnose the cause of the cause of the disease to comply with the doctor’s instructions targeted treatment, to avoid delaying the condition.