The causes of itchy blisters on the hands include herpes perspiration, tinea cruris, chickenpox, herpes simplex, etc. The solutions include the application of Dinaid cream as prescribed by the doctor for anti-allergy treatment, the application of luliconazole cream for anti-fungal treatment, and the application of acyclovir cream for anti-viral treatment. 1. Sweat blisters: belonging to the special type of eczema, blisters with itching are caused by a variety of factors triggering an increase in sweat secretion, at this time, you can follow the doctor’s instructions to apply glucocorticosteroid cream, such as Dinocaprolactone cream and other drugs for anti-allergy treatment. 2. ringworm: for fungal infection caused by hand blisters with itching, this time you can follow the doctor’s instructions to apply luliconazole cream and other drugs antifungal treatment. 3. chickenpox: chickenpox – herpes zoster virus infection can also cause hand blisters with itching, this time you can follow the doctor’s instructions to apply acyclovir cream and other antiviral drugs. 4. Herpes simplex: herpes virus infection can also cause blisters on the hands with itching, at this time you can follow the doctor’s instructions to apply acyclovir cream antiviral treatment. If you have blisters on your hands and itchy phenomenon, it is recommended to go to the hospital in time to check the cause of the disease, and then follow the doctor’s instructions for treatment.