Itchy rash belongs to the category of corn sores in Chinese medicine, which may be caused by dampness-heat embedded in the spleen or exogenous wind-dampness-heat, etc., and needs to be combined with other symptoms of the patient to decide. 1. Itchy rash is caused by dampness-heat in the spleen: accompanied by abdominal distension, not wanting to eat, fever, heaviness, and irregular bowel movements. It is advisable to clear away heat and eliminate dampness (to remove heat and dampness from the body); take treatment such as Dampness Removing Stomach Ling Soup or Dioscorea Dioscorea Soup. 2. Itchy rash caused by exogenous wind-dampness-heat: accompanied by dryness and pain in the eyes, redness of the tongue and number of pulses. It should be treated by removing wind, clearing heat and inducing dampness (removing heat and dampness from the body); and by taking Wind-removing and Spleen-clearing Drink. If there is any discomfort, it is recommended to consult a doctor. If medication is needed, it should be diagnosed by a doctor and the treatment should be standardized according to the doctor’s prescription.