Blisters on the soles of the feet are considered to be caused by contact dermatitis, tinea pedis, and herpes sweating. 1. Contact dermatitis: the condition is usually caused by local skin irritation or allergic reaction after the patient’s sole skin contacts shoes and socks. Patients often appear on the soles of the feet erythema, edema, pimples and other symptoms, with the development of the disease, pimples can develop into blisters, and even rupture. 2. Tinea pedis: this disease is a common clinical skin disease, mainly due to fungal infections such as red trichophyton and trichophyton, which are infectious. This disease often leads to dryness, peeling, blisters, itching and other symptoms of the patient’s foot skin. 3. Sweat herpes: the disease is a symmetrical attack on the hands or feet blistering dermatosis, the specific cause of the disease is still unclear, clinical considerations and local allergies, dermatophyte infection and other factors. Patients often appear at the beginning of the onset of the soles of the feet itching symptoms, followed by the emergence of pinpoint to rice-sized blisters. There are many reasons for blisters on the soles of the feet, so it is recommended that the patient first consult a doctor to clarify the specific cause of the disease.