Herpes is usually a post-inflammatory hyperpigmentation of the skin, which can be improved by strengthening care, local application of drugs, and if serious, physical therapy. 1. Enhanced care: in most cases, post-inflammatory hyperpigmentation will gradually disappear or reduce with time, if it does not affect the image, can not be treated, to be its natural recovery can be. 2. Medication: If you feel that it affects your appearance and you have the need for treatment, you can use hydroquinone cream and azelaic acid to reduce hyperpigmentation, or take vitamin C and tranexamic acid orally to help the hyperpigmentation subside. 3. Physical therapy: For larger areas of hyperpigmentation, laser treatment such as intense pulse light can be performed to improve. Specific should strictly follow the doctor’s instructions for treatment.