Sweat rash may appear as small blisters and pimples, often accompanied by itching, and is often treated with general therapy and medication. Sweat rash is a common skin disease in summer or in hot and humid environments. It mainly manifests as small blisters, papules and pimples on the surface of the skin, which may be accompanied by itching and pain. It is important to keep the skin dry and wear loose, cotton clothing. Under the guidance of the doctor, the topical use of cool anti-itching agents such as peppermint glycerite lotion, can also use hormone creams, such as hydrocortisone to reduce itching and discomfort symptoms. For those with significant itching, oral antihistamines such as chlorpheniramine maleate tablets and loratadine can be used. When the patient appeared blistering eczema, should go to the hospital in time, clear cause of the disease actively cooperate with the doctor’s treatment, and under the guidance of the doctor’s advice to take medication, remember not to take it privately, so as not to cause adverse consequences.