The common causes of children’s feet growing a lot of red spots are: contact dermatitis, insect bite dermatitis, athlete’s foot, foot eczema and so on. 1. contact dermatitis: usually due to the child’s allergy to the shoes and socks worn, which in turn causes the contact area to appear intensive red pimples, blisters and other manifestations, and in severe cases, skin erosion, ulcers. 2. insect bite dermatitis: if the feet are exposed in the summer, the skin can be damaged, and the skin can be damaged. 2. insect bite dermatitis: if the skin of the feet is exposed in summer, an allergic reaction to mosquito bites leads to the appearance of red papules on the skin, which may be accompanied by itching. 3. ringworm of the feet: it is caused by fungal infection. If a family member suffers from tinea pedis, it may be transmitted to the child, and then the feet appear red dots. 4. foot eczema: induced by internal and external factors. It is usually symmetrically distributed, and the lesions can be manifested as pimples and erythema of grain size, which are usually accompanied by obvious itching. 5. Other: allergic purpura, immune thrombocytopenia can also cause children’s feet red spots, and finger pressure on the small red spots, red spots do not fade, it is recommended to go to the hospital in time for blood tests. All in all, if the child’s feet grow a lot of red spots, it is recommended to go to the regular hospital in time, clear cause targeted treatment.