The condition of small chicken pox on the hands as soon as summer arrives may be due to factors such as herpes sweating, eczema on the hands, and blistering tinea cruris. 1. Sweat herpes: this is a symptomatic blistering skin disease that occurs on the hands or feet, which can be accompanied by intense itching, stinging and burning sensation. It is mainly related to local allergy, dermatophyte infection, ultraviolet radiation and other factors. 2. Hand eczema: this is a dermatitis that occurs in the hands, the causes of this disease are diverse, may be related to allergies, dry skin, hand contact irritants, repeated friction, ultraviolet radiation and other factors, so the hands will appear in the summer the symptom of small chicken pox. 3. Blister ringworm: patients may be due to fungal infections, thus appearing on the phenomenon of small chicken pox, and the season does not have much to do with the consideration and close contact with the patient’s hands and feet parts or supplies related. If the patient is diagnosed with the above diseases, it is recommended that early standardized treatment to reduce the adverse effects of the disease.