Babies with prickly heat should avoid scratching, and if they have already scratched, they need to pay attention to avoid local infections and keep the wounds dry after disinfecting them according to the doctor’s instructions. Prickly heat is easy to appear on babies’ skin due to the underdevelopment of sweat ducts, which is usually manifested as small blisters or pimples on the skin, and sometimes produces itching symptoms. At this time, attention should be paid to prevent infants from scratching, use prickly heat powder to apply external and can be prescribed antihistamines to relieve itching symptoms. When the wound is broken, it should be sterilized to prevent local infection. Then keep the wound dry, and use mupirocin ointment and other drugs as prescribed to prevent local infection from producing more serious pus symptoms. In summer, it is important to keep the baby in a dry and refreshing environment, bathe frequently, and wear breathable clothing to prevent prickly heat from occurring.