The scars left after blisters on the face (i.e. “blisters”), i.e. keloid scars, need to be treated according to the condition with general treatment, medication, physical therapy, surgery, and so on. 1. General treatment: If the blisters are small and the scar left behind is relatively small and shallow, they can usually recover by themselves and do not need special treatment. Usually pay attention to the diet to light, appropriate relaxation. 2. Medication: If the scar is deep, you can use ointment containing silicone to inhibit scar proliferation under the guidance of your doctor. 3. Physical therapy: if the scar is red or has pigmentation, or depressed scar, you can under the guidance of the doctor for laser treatment, the use of laser light and heat principle, to achieve the effect of improving the scar. 4. Surgery: If the remaining scar is large in size, you can choose surgery to remove the scar, and you need to ensure that the local area is dry and clean after surgery. If infection occurs, should follow the doctor’s instructions to use anti-infection drugs, such as penicillin or cephalosporin antibiotics. It is recommended that patients with blisters and scars on the face go to a regular hospital in a timely manner, to clarify the specific situation, and then carry out targeted treatment.