Transparent hard blisters on the feet are usually considered as friction blisters, fungal infections, eczema, etc., and need to be judged according to the specific symptoms of the patient. 1. Friction blisters: due to the size and material of the shoes are not suitable, after wearing the foot skin and shoes and socks friction, long-term walking, standing aggravated, easy to induce the formation of blisters. 2. Fungal infection: due to easy sweating of the feet, poor breathability of shoes, shoes and socks are not changed diligently, easy to damp and stink, breeding fungal infection, local itching, transparent hard blisters symptoms. 3. Eczema: often due to contact with their own allergic substances and other causes of skin allergic reactions, can also be manifested in the foot of transparent hard blisters of symptoms. There may be other reasons for the blisters on the feet, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.