The TCM diagnosis of anal itching can be divided into dampness-heat under injection (dampness and heat evils invade the intestines, bladder, pubic area, lower limbs, etc.), blood deficiency and wind dryness, spleen deficiency and dampness. 1. Damp-heat injection: mainly manifested as moist and itchy anus, accompanied by loose stools, bitter mouth, yellow and thick tongue coating, and slippery pulse. It can be treated with medicines that clear away dampness and heat, dispel wind and stop itching (stop itching by getting rid of the wind that invades the surface of the muscle), such as castor seed and dampness soup. 2. Blood deficiency and wind dryness: manifested as anal itching, local scratches or scabs, irritability, recurrent episodes, pale tongue, thin pulse. You need to nourish blood and moisten dryness, dispel wind and stop itching, you can use nourishing Yin and removing dampness soup. 3. Spleen deficiency and dampness: manifested as anal itching, local oozing, accompanied by loose stools, pale and sticky mouth, white thick and greasy moss, pale and fat tongue with teeth marks, and moistened pulse. It is necessary to strengthen the spleen and benefit the qi, dry dampness and dispel wind, with the removal of dampness and stomach ling soup. Anal itching must be in the doctor of traditional Chinese medicine under the guidance of the identification of reasonable choice of medication, avoid blind use of medication, at the same time, pay attention to the local cleanliness and hygiene.