Red spots on hands and feet usually indicate that one is suffering from some kind of disease, such as allergic purpura, insect bite reaction and eczema. 1. Anaphylactic purpura: Patients will have purple-red skin papules, swollen joints, etc., and some patients may have red spots on their hands and feet. The cause of the disease is not yet clear, and may be caused by immune disorders, heredity and infections. 2. Insect bite reaction: The cause of insect bite reaction is mostly related to insect bites. Redness, swelling, erythema and blisters will appear on the bites, which will lead to red spots on the hands and feet of the patients. 3. Eczema: the cause of eczema is not clear, may be genetic, environmental and immune abnormalities and other factors. Clinical manifestations of eczema are red spots, corn-sized pimples, itching and other symptoms, which can be seen on the hands, feet and other places. There may be other causes of red spots on the hands and feet, so it is recommended that patients seek medical examination to clarify the cause of the disease.