Patients with deep anal folds are prone to bacterial accumulation in the folds, which can stimulate the perianal skin and lead to itching, and in severe cases, even perianal eczema can form. You should consider conservative treatment, usually pay attention to a light diet, avoid spicy and stimulating food, and pay attention to the cleanliness of the anal area after the stool. If the itching cannot be controlled by conservative treatment with medication, you can consider subcutaneous perianal Melanoplasty spot injection, if the itching cannot be controlled, you need to consider surgery. The purpose of surgery is to destroy the subcutaneous nerve endings around the anus to reduce the itching symptoms.