The blisters on the body of the plant may be related to herpes simplex, or may be caused by eczema, sweat herpes and other reasons. 1. herpes simplex: usually caused by herpes simplex virus infection, preferred in patients with low resistance, but also with local erythema, itching and other symptoms, when the blisters rupture can appear vesicles. 2. Eczema: usually caused by external stimuli, such as animal hair, dust mites, food, etc., may lead to localized eczema, resulting in blisters, accompanied by obvious redness, swelling, itching and other symptoms. 3. Sweat herpes: If the family members do not take good enough care of the vegetative person, especially in summer, the environment where the vegetative person lives is too humid, it may induce sweat herpes and cause blisters on the body. The blisters on the body of the vegetative person may also be caused by other reasons. When the vegetative person is found to have blisters on the body, it is recommended to seek medical treatment as soon as possible to clarify the cause of the disease and then give targeted treatment.