Heat rash is also known as prickly heat. For the phenomenon of heat rash on baby’s face, it can be relieved through localized cold compresses, medication intervention and home care. 1. Localized cold compresses: When prickly heat appears on a baby’s face, saline can be used to apply cold compresses to the area of the skin lesions, which can stop the itching and relieve the discomfort caused by localized prickly heat. 2. Pharmacological intervention: Prickly heat will have obvious itching, so it can be applied with topical glycerite lotion, which can stop itching and astringent effect. If necessary, glucocorticosteroids such as hydrocortisone can be prescribed to speed up the reduction of inflammation. 3. Home care: Keep infants away from hot environments, use fans or air conditioners to cool down the body, and dress infants in loose, breathable clothing. After the diagnosis of prickly heat, infants should cooperate with doctors to carry out standardized treatment as soon as possible, so as to reduce the adverse effects of the disease.