The treatment of heat rash is mainly based on medication. Depending on the degree of heat rash and itching, the treatment will take astringent and anti-itching methods. 1. For white prickly heat which is mainly small blisters and itching is not obvious, you can use prickly heat powder, glycerite lotion and other drugs to astringe. 2. For red prickly heat with red color and itching sensation, glucocorticoid ointment such as Denadyl cream and hydrocortisone butyrate cream can be used externally. When itching is obvious, you can take oral desensitizing drugs such as loratadine tablets and ebastine tablets to relieve itching. 3. If there is pus inside the prickly heat, you can use fusidic acid cream, erythromycin ointment, mupirocin ointment and other antibacterial and anti-inflammatory ointment to treat it. Prickly heat patients should pay attention to keep the body dry and breathable, bedridden patients should turn over and scrub diligently. Drugs need to follow the doctor’s instructions to use, do not self-medication, so as not to cause adverse effects.