Small blisters (blisters) on the fingers and itchy may be a symptom of dermatologic diseases such as herpes sweats or fungal infections, it is recommended to go to the dermatology department of the hospital in a timely manner. Small blisters on the fingers that feel itchy are a sign of a skin disease. According to the symptoms, it may be herpes sweat or fungal infection. Sweat herpes is a kind of eczema, usually caused by contact with sweat, local moisture and other factors, blistering damage, accompanied by itching symptoms. Fungal infections of the hands, such as ringworm and other skin diseases, can also appear the above symptoms, ringworm will itch abnormally, blistering, flaking, lesions will also appear dry, cracked phenomenon. In summary, small blisters on the fingers and itchy may also be a symptom of other skin diseases, you need to go to the hospital dermatology consultation.