Small blisters on the belly of the finger with a tingling sensation may be caused by herpes simplex, there may be shingles show symptoms, need to be analyzed specifically. 1. Herpes simplex: It is caused by herpes simplex virus infection. It can be transmitted through kissing, close contact, etc. Patients will show clustered blisters on the skin. When the body’s immune system is low, mental stress, fatigue, etc. will lead to the latent herpes simplex virus in the body attack, need to do timely antiviral treatment. 2. Herpes zoster: Mostly caused by varicella zoster virus infection, the virus lurks in the nerve roots, when the body resistance drops triggered herpes zoster. The affected area of the skin appears to be banded distribution of erythematous blisters, there may be burning or burning pain, and there is obvious pain sensitivity to touch. Small blisters on the belly of the finger with a tingling sensation may also have other causes, patients are advised to go to the hospital in a timely manner, standardized treatment.