Blisters refer to blisters. A lot of blisters on the face may be due to herpes simplex, herpes zoster, contact dermatitis and other factors, and its treatment includes general treatment and medication and other methods. 1. Herpes simplex: caused by infection with the herpes simplex virus, can be manifested as erythema around the mouth and nose, covered with clustered blisters, accompanied by pain. At this time, topical acyclovir cream and interferon spray can be used. If secondary infection occurs, topical mupirocin ointment can also be used. 2. Herpes zoster: mainly caused by varicella zoster virus infection, after diagnosis, you can cooperate with the doctor to choose antiviral treatment, commonly used drugs include acyclovir, famciclovir, interferon and so on. 3. Contact dermatitis: some patients may face contact with allergens or irritants, resulting in a lot of red rashes and blisters on the face, accompanied by itchy symptoms, can cooperate with the doctor to choose loratadine, cetirizine and other antihistamine treatment. At the same time need to clarify the causative factors and avoid. After the symptoms of a lot of blisters on the face, you need to cooperate with the doctor as soon as possible to clarify the specific causes, and then do targeted treatment and treatment, can not blindly use drugs.