Blisters on the feet that itch may be related to a variety of factors, most commonly eczema and tinea pedis caused by bacterial infection. In addition, too much friction on the feet can also lead to blisters with itchiness, and the specific treatment varies from cause to cause.1. Eczema: It is an inflammatory skin disease caused by a variety of factors, often manifesting as papules and papules on an erythematous basis, and in severe cases, small blisters can appear, often fused into patches, often forming a punctate vesicular surface due to scratching. Most opt for local treatment with a boric acid solution for wet compresses. If there is a bacterial infection, antibiotic ointment such as erythromycin ointment can be added. 2. Infection: Blisters can also be produced with itching when the feet are infected with fungi, a common disease is tinea pedis, and common symptoms can be peeling, maceration, and erosion between the toes, or many blisters on the side of the feet. Oral as well as topical antifungal medications are used, but topical medications such as clotrimazole, econazole, and miconazole are commonly used. The effect is not ideal to consider systemic drug treatment, such as oral itraconazole or terbinafine, etc., secondary bacterial infection when the application of antibiotic treatment; 3, friction: suddenly increase the amount of exercise or shoes uncomfortable feet can produce too much friction, resulting in the appearance of blisters, if the foot blisters or blood blisters are small, generally do not need to deal with, keep the affected area clean and dry can be, will soon be absorbed and disappear. If the bubble is larger, you need to use a sterile needle to pick the bubble first, and then wipe the bubble fluid with a sterile cotton swab, followed by anti-inflammatory ointment applied to the affected area for treatment. Blisters on the feet can be caused by a variety of reasons. If the symptoms do not improve after the above-mentioned medication, it is recommended to go to the hospital for examination and treatment under the guidance of a doctor.