Adults with heat rash can be treated with general treatment, topical medication and oral medication. 1. General treatment: Ensure that the skin area is fresh and dry by washing with warm water every day and letting the skin dry naturally. Wear loose and breathable cotton clothes and if the itching or pain is serious, use wet cloths or ice packs to apply cold compresses locally to relieve the discomfort. 2. Topical medications: If the discomfort cannot be relieved by general treatment, you can also use topical medications such as peppermint glycerite lotion, zinc oxide ointment, and six god flower water to relieve the discomfort. 3. Oral medication: For patients with more obvious itching symptoms, you can also take stavudine hydrochloride tablets to relieve the improvement, if there is a serious infection of pus rash, but also combined with amoxicillin capsules and other antibiotic drugs for treatment. It should be noted that in the application of drugs for treatment, should follow the doctor’s instructions, clear contraindications for the use of drugs and precautions, to avoid blind use of drugs caused by adverse reactions to the patient’s health caused by discomfort.