Perianal eczema can be categorized as damp-heat underflow (dampness and heat invading the intestines, bladder, pubic area and lower limbs), spleen deficiency and dampness, blood deficiency and wind dryness and other types of evidence. One can choose gentian diarrhea and liver pill soup, dehumidifying stomach ling soup, angelica drink soup, etc. for treatment. 1. Dampness-heat injection: mainly manifested as moist and itchy anus, localized erythema, or even erosion and oozing, yellow liquid, and accompanied by bitter mouth, sticky mouth, yellow and thick tongue coating, and slippery pulse. It is necessary to clear away heat and detoxify the toxin, relieve dampness and stop itching, you can use gentian liver pills and other treatments. 2. Spleen deficiency and dampness: manifested as anal itching, local oozing, white and sticky, accompanied by symptoms of spleen deficiency such as loose stools, pale and sticky mouth, drowsiness, white and greasy moss, pale and fat tongue with teeth marks, and moistened pulse. It is necessary to strengthen the spleen and promote dampness, stop itching, you can choose to remove dampness stomach ling soup and other treatments; 3. Blood deficiency and wind dryness: manifested as anal itching, no local exudate, dryness and thickening, with scratches or scabs, and possibly peeling, recurrent episodes, with pale tongue and thin pulse. It is necessary to nourish the blood and moisten the dryness, dispel the wind and stop itching (by removing the wind that invades the surface of the muscle to stop itching), and can be treated with angelica drinking seeds and other treatments. If medication is needed, it is recommended to choose medication reasonably under the guidance of the TCM physician’s diagnosis and avoid blindly using medication, so as not to affect the effect.