Red dots on the scalp of infants may be caused by eczema, prickly heat, yellow ringworm and other causes. 1. Eczema: When suffering from eczema, the skin may appear pimple-like protrusions, red dots, etc., which may be accompanied by symptoms such as congestion and edema. 2. Prickly heat: If the indoor temperature is too high or the baby wears a lot of clothes, it can lead to prickly heat on the scalp, which appears as red spots. 3. Ringworm: mainly occurs in children’s scalp, caused by fungal infection of the scalp and hair. At the beginning of the disease, there can be inflammatory light red spots around the mouth of the hair follicle. There are many other reasons for red dots on the head of infants, it is recommended to consult a doctor in time, under the guidance of the doctor for standardized treatment, so as not to delay the condition to bring adverse effects on the body.