In summer, infants can be treated with general treatment such as adjusting the temperature to ease the heat, and topical medication. 1. General treatment: In summer, when the weather is hot, babies are prone to prickly heat. You can lower the temperature of the indoor environment such as turning on the air conditioner or fan to cool down the temperature. Reduce the amount of clothing worn by infants and choose clothes with good ventilation so that sweat can evaporate easily and not easily block the sweat glands causing prickly heat. Take a bath every day to clean the body and change clothes frequently. 2. Topical medication: If there is a lot of prickly heat and the baby is irritable and crying because of itching, you can use glycerin lotion to stop the itching. Or use prickly heat powder to apply on the rash after taking a bath to relieve itching. Summer infant prickly heat should be treated according to the specific situation, the above drugs need to be used under the guidance of a doctor.