Red bumps on the feet and itchy, may be related to eczema, urticaria, contact dermatitis and foot ringworm and other diseases. 1. Eczema: is a chronic inflammatory skin disease, with a variety of internal and external factors related to stimulation, in the clinical manifestations of more, with easy recurrence and accompanied by intense itching and other characteristics. 2. Urticaria: is due to a variety of factors stimulate the vascular metamorphosis reaction, in the clinic is mainly manifested in the accompanied by intense itching of the temporary, elevated erythema, wind masses. 3. contact dermatitis: refers to the local skin contact with some kind of stimulating substances and produce allergic reaction, mainly manifested as local skin rash accompanied by itching. 4. Tinea pedis: a skin disease caused by fungal infection, which is contagious and can be spread through scratching. As there are many types of the disease, the specific situation needs to ask the doctor for a face-to-face consultation.