Finger blisters and itchy, there are many reasons, such as contact dermatitis, eczema, ringworm and so on. 1. contact dermatitis: finger contact with external sensitizers, may lead to skin erythema, pimples, blisters, may also appear finger blisters and itchy symptoms. 2. Eczema: Inflammatory skin reaction caused by internal and external stimulation of a variety of factors, may also appear blisters and itchy fingers. 3. ringworm: fungal infection caused by the superficial layer of the skin of the hand inflammatory reaction, may also lead to finger blisters and itchy symptoms. Finger blisters and itchy, there may be other reasons, you should go to the hospital in time to check, follow the doctor’s instructions for treatment.