Most cases of herpes perspiration in 4 year olds do not heal on their own and can be reduced and healed faster with daily care and medication interventions. Sweat herpes is related to the inflammatory reaction of the skin stimulated by sweat, and is prone to occur in the summer hands, hands and feet often sweating in the population, manifested as sweating on the soles of the feet, palms, fingers and other parts of the same skin color of the small blisters, accompanied by severe skin redness, vesiculation and other symptoms. Sweat herpes most patients 2 ~ 3 weeks can be self-healing, but each person’s immunity is different, the degree of onset is different, the specific how long to self-healing can not be generalized. 4-year-old children sweat herpes uncomfortable symptoms, can be used externally with glycerite lotion rinse coating, there is an infection can be used to relieve the symptoms of mupirocin ointment, if necessary, with cetirizine, loratadine and other medications. The above medications are recommended to be used in accordance with the doctor’s instructions, 4-year-old children sweat herpes is more serious, it is recommended that timely medical treatment.