Blisters on the feet may be related to ill-fitting shoes, athlete’s foot, contact dermatitis and so on. 1. Ill-fitting shoes: If you wear new shoes that do not fit your feet or if you suddenly do a lot of exercise, localized blisters may appear due to excessive friction. It is recommended to choose suitable shoes and socks and change them frequently. 2. Tinea pedis: when the feet are infected by fungus, it stimulates the skin to appear peeling, blistering, erosion between toes, or multiple blisters on the side of the feet. 3. Contact dermatitis: when the feet come into contact with some sensitized plants or rubber objects, it causes local skin allergy. In the acute stage, the contact localization can cause erythema, edema, and accompanied by blisters and other symptoms. When there are blisters on the feet, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the cause, and targeted treatment or treatment.