Red bumps on the body of infants in summer, may be mosquito bites, prickly heat, eczema and other factors. 1. Mosquito bites: infancy baby skin is relatively delicate, mosquito bites lead to localized red bumps, accompanied by obvious itching. In the middle of the red bumps, there may be a small hole similar to the eye of a needle. 2. Prickly heat: In the hot and stuffy environment in summer, a large amount of sweat is not easy to evaporate, retention leads to sweat ducts blocked to form prickly heat. 3. Eczema: Eczema is a common skin disease in infants and young children. Eczema is easily induced by high temperature and easy sweating in summer, which may lead to red bumps on the skin, and blisters may appear if the symptoms are serious. In addition, scarlet fever, measles, infantile emergency rash, etc., may also lead to red bumps on the skin. It is recommended to pay attention to daily care, avoid scratching and stimulation, hot water scalding, but also to the hospital dermatology, pediatrics for examination, to clarify the cause, targeted treatment.