Red bumps with white tips may be prickly heat, but they may also be folliculitis, acne and eczema. Prickly heat usually occurs in the folds of the skin, where sweat glands produce more sweat. The clinical manifestation is red papules and bumps in the early stage, and in the later stage, if there is inflammation and infection, there will be pus, and once the pus is pus, there will be a white tip. Therefore, if the lesions with red bumps with a white tip appear due to the hot and humid weather, or are related to the children’s overdressing, they can be considered as prickly heat. Red bumps with white tips can also be folliculitis, acne, and eczema. Folliculitis and acne are mainly caused by bacterial infections around the hair follicles, exuberant sebaceous gland secretion, and over-keratinization of the sebaceous gland ducts of the hair follicles, and are also related to hormone secretion, and are more common in adolescents. Eczema is mainly related to allergies and impaired skin barrier caused by humidity and heat. Red bumps with white tips, need to actively go to the hospital, clear cause for targeted treatment.