For the acne marks left behind by chickenpox, also known as post-inflammatory hyperpigmentation, which belongs to the acquired pigmentation diseases, patients can be relieved by general treatment, medication, and other treatments. 1. General treatment: for the symptoms of localized acne marks, in fact, no treatment, may fade with time. It is recommended to do a good job of sun protection at this time to avoid further aggravation of the symptoms of hyperpigmentation. 2. medication: the use of drugs such as adapalene gel can promote the renewal of epidermal cells, so that the symptoms of localized hyperpigmentation is reduced, improve the phenomenon of localized acne marks left. Hydroquinone cream can also be used externally to promote local pigment absorption. 3. Other treatments: laser treatment can also improve the symptoms of hyperpigmentation, through the photothermal effect of laser light to break down the local melanin particles, accelerate the skin metabolism and play a role in lightening the role of hyperpigmentation. It is recommended that patients who are willing to be treated go to a regular medical institution and follow the advice of a specialist to choose an appropriate treatment plan.