Pimple marks left behind by acne, generally known as post-inflammatory hyperpigmentation, can choose to use retinoic acid cream, hydroquinone cream, vitamin E cream and other creams, topical drugs do not work well, you can also choose to choose the way of laser treatment. 1. Vitamin A acid cream: acne left behind by the acne, can be used through the use of vitamin A acid cream, through the stripping effect, so as to improve the phenomenon of local acne marks left behind. 2. Hydroquinone cream: usually belongs to a kind of skin discoloration agent, can be used for the treatment of pigmentation, at the same time can also be through the exfoliation effect, to alleviate the acne left acne marks. 3. Vitamin E Cream: After the appearance of acne marks, you can use vitamin E cream, so as to play a moisturizing effect, but also can promote the fading of melanin, relieve the local acne marks. In the case of poor drug treatment, you can cooperate with the doctor to choose laser treatment, laser and intense pulsed light will stimulate subcutaneous collagen proliferation through photothermal effect, to improve the symptoms of acne pimple marks left behind. It is recommended that patients go to the dermatology department of the hospital in a timely manner, under the guidance of the doctor to choose the appropriate method of treatment, medication should be used in accordance with the doctor’s instructions, do not self-medication.