Itchy small blisters on the hands of Chinese medicine belongs to the category of wet sores, chicken pox, etc., should follow the doctor’s instructions for medication, available gentian diarrhea liver soup, in addition to the dampness of the stomach ling soup and other traditional Chinese medicines. Eczema is eczema, refers to the skin around the red spots, the rapid formation of papules, blisters, broken ooze, red moist vesicles. Chickenpox refers to the appearance of pink papules on the skin of children, which quickly turn into small oval blisters. Gentian Diarrhea Liver Tang, composed of gentian, scutellaria, gardenia, psyllium, angelica, etc., has the effect of clearing away heat and diarrhea, and facilitating the effect of dampness-heat, clinically treating dampness-heat impregnation of skin, the main symptoms are reddish lesions, herpes papules, burning itch, oozing seborrhoea; accompanied by heartburn and thirst, body heat does not raise (feel the whole body hot, but touch the skin is not very hot) and other symptoms. Dehumidifying Stomach Ling Tang, composed of Atractylodes macrocephala, Atractylodes macrocephala, Pericarpium Citri Reticulatae, Poria, Atractylodes Macrocephala and other medicines, has the efficacy of clearing away heat and removing dampness, strengthening the spleen and inducing diuresis. It is mainly used for the treatment of dark red rash without freshness, blisters and oozing, accompanied by poor appetite, bloating and loose stools (thin and unformed feces). In chickenpox, evil injury to the lung and Wei evidence can be seen in sparse rash, rash color red, blisters clear and bright, etc., with Yin Qiao San plus subtractions. Evil blazing qi camp evidence can be seen in the strong heat irritability, rash distribution dense, rash color purple dark, blister pulp turbid, rash densely, etc., to clear the stomach and detoxification soup with subtractions. Allergic to the above formula is prohibited, adverse reactions are not clear. It is recommended that the appearance of small blisters on the hands is very itchy, should be timely consultation, identify the cause of the disease, standardized treatment.