Prickly heat is caused by the narrowing or blockage of sweat ducts in a humid and stuffy environment. There is no effective way to eliminate prickly heat quickly, and it will subside soon after the skin is cooled down and dried out, which can be improved by general treatment and medication. 1. General treatment: Wash the affected area every day to ensure the dryness and cleanliness of the affected area; reduce the time in high temperature, humidity and stuffy environment, and try to be in a dry and ventilated environment. The affected area can also be treated with ice packs, which can also relieve the pain and itching symptoms. 2. Medication: Topical medications: such as prickly heat powder, glycerite lotion, etc., can play a role in relieving itching, pain and eliminating prickly heat, and for patients with serious conditions, hydrocortisone ointment can also be considered for external use. Oral medication: patients with severe itching can be treated with drugs such as loratadine as prescribed by the doctor; those with combined infections can be treated with drugs such as erythromycin and erythromycin as prescribed by the doctor. After the appearance of prickly heat, should be timely to the skin hospital, and under the guidance of dermatologists for treatment, not blindly use their own medicine, so as not to cause adverse consequences.