White blisters on the hands may be associated with herpes sweating, tinea cruris, contact dermatitis and other causes, which need to be further differential diagnosis by a doctor. 1. Sweat herpes: due to hyperhidrosis, local allergies, infections, mental and other factors, which leads to sweat herpes, often manifested as blisters on the skin clusters, mostly in the lateral edges of the fingers, and at the same time can be accompanied by pain, itching. 2. Blister ringworm: due to fungal infection of the skin of the hand, it can cause pinpoint-sized deep in the blisters, blister liquid clear, thick and shiny wall, not easy to break. 3. contact dermatitis: due to the allergic or irritant reaction that occurs after the skin on the hands comes into contact with certain sensitizing or irritating substances, it can cause local erythema, papule, papule, accompanied by symptoms such as itching, burning, pain, etc., and blisters and blisters will appear in serious cases. There may be other reasons for white blisters on the hands, it is recommended that people with white blisters on the hands go to the hospital in time to clarify the cause of the disease and standardize treatment under the guidance of the doctor.