Small red bumps on the child’s feet, considering the possibility of insect bite dermatitis, eczema, hives and other diseases. 1. insect bite dermatitis: summer often wear sandals, feet exposed skin more, by mosquito bites, can appear in the foot red bumps. 2. Eczema: the cause of eczema is unknown, may be internal and external multi-factors together, such as food, drugs, contact allergies, resulting in localized erythema, papules, pimples, etc., feet can appear red bumps. 3. Urticaria: Urticaria may be related to allergies, infections, mental and psychological factors, such as the consumption of allergens, etc., which may lead to the appearance of different sizes of the skin, so that red bumps appear on the feet. Parents are advised to bring their children with red bumps on the feet to regular hospitals in a timely manner, to clarify the cause of the disease and standardize the treatment as prescribed by the doctor. At the same time should also pay attention to local care, avoid scratching to induce infection.