The anal area is always itchy, do not be nervous when this happens, you should actively analyze the cause and carry out symptomatic treatment. First of all, you should pay attention to your diet and avoid eating irritating foods, such as cigarettes, alcohol and chili peppers, and you should also avoid eating specific protein foods, such as fish, shrimp, crab and other seafood, to keep your perianal area clean. Using anti-itch fumigation soup for perianal fumigation can treat anal itching caused by various reasons, and also apply drugs around the anus, such as Jiuhua powder lotion can play a role in relieving itching and clearing heat and dampness. Application of oral medication, oral paracetamol can be antihistamine and play a role in stopping itching. If the itching is particularly severe, sometimes injection therapy can also be applied, injecting methylene blue + lidocaine + bupivacaine in the perianal area, using the injection of Librium combination, to play the role of local closure and anti itching.