Prickly heat can be treated by general treatment, topical medication or oral medication. 1. General treatment: ventilation should be used to dissipate heat, loose and breathable clothing should be worn, and the skin should be kept clean and dry. 2. Topical medication: first of all, make the affected skin cool down and keep it dry, then use prickly heat powder or glycerite lotion, etc. If secondary infection, you can also use mupirocin ointment for anti-infection treatment. 3. Oral medication: If the affected area becomes itchy, antihistamines such as loratadine can be taken for treatment. If you need to use drugs, it is recommended to take under the guidance of a doctor, do not blindly use their own drugs, so as not to cause adverse consequences.