Prickly heat on forehead can be applied with glycerite lotion and prickly heat powder, antihistamine can be used if itching is obvious, and daily attention should be paid to improve the environment temperature. Prickly heat, also known as corn rash, the head sweat glands are highly concentrated, in the hot season, sweat blockage can not be fully discharged, easy to cause prickly heat. For forehead prickly heat, you can use glycerin lotion and prickly heat powder to apply, and for pus prickly heat, you can use Huanglian Puff Powder and 2% ichthyol glycerin lotion. Antihistamines such as loratadine can be used for obvious itching, and antibiotics such as mupirocin ointment can be used if there is localized secondary infection. If you have prickly heat on the forehead, you should pay attention to lowering the environmental temperature and avoiding excessive heat. If the symptoms continue to be unrelieved, it is necessary to consult a doctor in a timely manner, under the guidance of the doctor to use medication.