Anal itching in Chinese medicine is identified as follows: 1, the first identification of the true and false: a detailed investigation of the strength and weakness of the positive and evil, the actual evidence is dominated by damp-heat, interspersed with wind, the tongue is greasy, the pulse is slippery, the false evidence is mostly due to blood deficiency and wind dryness, the tongue is light and red, the moss is small and the pulse is fine; 2, identification of cold and heat: cold evidence of exudate color clear and tasteless, the disease is lingering, the tongue is light and moss is smooth, hot evidence of exudate color yellow and odor, the onset of acute tongue red and moss yellow; 3, identification of itching: itching is intense, the lesions are red and swollen Mostly damp-heat, itchy day and night, crusty and scaly skin lesions are mostly blood deficiency and wind, damp-heat infiltration is often seen in the onset of acute gathering, anal skin flushing, accompanied by papules, blisters, yellow water dripping, local burning and itching, constipation, short urine red, tongue red, moss yellow and slippery pulse or string; 4, the disease is mostly seen in the acute phase of perianal eczema, the onset of acute local burning, blisters, short urine red, tongue red, moss yellow and greasy for the identification of evidence. The main point. Blood deficiency and wind dryness, perianal skin hypertrophy with keratosis and cracking, scratches and crusts on the surface of the lesions, recurrent episodes of the disease, irritability, low fever in the afternoon, poor sleep at night, pale tongue with white fur, thin or sunken pulse; 5. This disease is mostly seen in the subacute phase of perianal eczema, with keratosis and cracking of the affected skin, scratches, irritability and poor sleep, thin pulse as the main points of identification. Spleen deficiency and dampness evidence, perianal skin rough and thick with a small amount of exudate, fishy and sticky taste, scratch marks and bleeding spots on the skin surface due to scratching, accompanied by scales, thirst without thinking about drinking, stool not dry or loose diarrhea, diarrhea, light tongue, fat tongue, tongue edge with teeth marks, white and greasy tongue coating, sunken or slippery pulse; 6, this disease is mostly seen in chronic anal eczema, with skin hypertrophy, exudate, scales, loose stool, diarrhea, fat tongue, with teeth marks as the identification The main points.