Heat rash of babies is caused by the obstruction of sweat ducts leading to poor sweat discharge, which can be handled by general treatment, medication and other treatments. 1. General treatment: strengthen hygiene management, keep the baby’s body clean and dry; try to let the baby in a ventilated, cool environment, avoid hot and humid environment. 2. Medication: follow the doctor’s instructions for external use of glycerite lotion for cleaning, and apply some baby-specific prickly heat powder to keep the local dry. Hydrocortisone ointment can also be used externally for treatment. After the use of medication, itching, rash and other adverse reactions, or the baby appeared to cry more than the situation, you should stop using drugs, as soon as possible to seek medical treatment. 3. Other treatments: the use of appropriate temperature ice packs on the affected area for ice, can also improve the itching and other uncomfortable symptoms. It should be noted that the baby’s skin is delicate and frostbite should be avoided. After the baby prickly heat, it is recommended to consult a pediatrician in a timely manner, the medication should be under the guidance of specialists, avoid blindly using drugs, so as not to cause adverse consequences.