Foot blisters (medically known as blisters) may be triggered by tinea pedis, herpes sweating, etc., and need to be treated by applying medication and taking oral medication according to the cause. 1. Tinea pedis: it is a disease caused by fungal infections, such as Trichophyton rubrum, Trichophyton mustelii, etc., which can lead to scattered or clustered small blisters on the feet, making the patient’s feet blistered, you can apply clotrimazole solution, miconazole nitrate cream, etc., and with the taking of terbinafine hydrochloride tablets, fluconazole tablets and other antifungal drugs. 2. Sweat herpes: the cause is not completely clear, consider and sweaty hands and feet, skin allergies, infections and so on, so that the foot skin blistering dermatosis, if the patient’s feet blistering can be coated with hydrocortisone butyrate cream, mometasone furoate cream, and other drugs, to achieve anti-inflammatory and antipruritic effect, to help the skin to recover. Foot blisters may also be caused by physical friction, eczema, hand, foot and mouth disease, etc. Patients should not blindly use their own medication, it is recommended to consult a doctor in a timely manner, and follow the doctor’s instructions for treatment.