Herpes zoster blisters can be picked under perfect disinfection, but the following points should be noted: 1. there is no need to pick, if the blisters are larger, looser, and more herpes can be picked, which is beneficial to the patient; 2. if the blisters are smaller and less, there is no need to pick; through the use of early adequate antiviral drugs, the blisters will dry up on their own, and the possibility of concurrent bacterial infection after drying up on their own is less; 3. the trauma Adequate disinfection, povidone-iodine or alcohol disinfection on the side of the trauma, the picking apparatus must be disinfected, disinfection is to prevent secondary infection; Chinese medicine also has this treatment, such as fire needles, fire needles through the fire disinfection before picking, after picking to protect the surrounding trauma, observation, keep the trauma dry. Medication is the first thing, but also to prevent complications, because after picking, there will be infection. In addition, it depends on whether the patient has a history of diabetes, hypoproteinemia, or a history of folliculitis.