Eczema is equivalent to wet sores in Chinese medicine, and can be diagnosed according to different types of evidence using gentian diarrhea liver soup, dehumidification stomach ling soup, angelica drink and other Chinese herbal prescriptions. Dampness-heat-embedded skin syndrome is characterized by rapid onset, short duration, reddish skin lesions, herpes papules, burning itching, oozing of seborrheic water from scratching, accompanied by heartburn and thirst, body heat (feeling hot all over the body, but not very hot when touching the skin), dry stools, and short and red urine (small amount of urine, dark yellow in color), etc. The treatment is Long胆泻肝汤 plus subtractions. Treatment is with the addition and subtraction of gentian diarrhea liver soup. Spleen deficiency and dampness syndrome is characterized by slow onset, flushed lesions, papules, itching, erosion and oozing after scratching, visible scales, accompanied by poor appetite, abdominal distension and loose stools (stools are thin and unshaped), and easy to fatigue. Treatment: Add subtraction of Dehumidifying Stomach Ling Tang. Blood deficiency and wind dryness syndrome is characterized by prolonged and repeated attacks, dark or hyperpigmented skin lesions, or rough and thickened skin lesions, itchy and intolerable, and itchiness is aggravated by heat or soap and water; accompanied by dry mouth and no desire to drink, poor appetite, abdominal distension. Treatment with angelica drink plus reduction. The adverse reactions and contraindications of the above drugs are not clear. If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, not blindly self-medication.