Chin acne marks melanin pigmentation marks, usually caused by pigmentation after inflammation. There is no fast way to remove it, and the treatment can be done through medication and phototherapy under the guidance of a doctor. 1. Drug treatment: patients can use hydroquinone cream or polysulfonic acid mucopolysaccharide cream externally under the guidance of the doctor to improve. Hydroquinone cream can improve hyperpigmentation after inflammation, and Mucopolysaccharide polysulfate cream can promote local blood circulation. 2. Photoelectricity treatment: patients can also be strong pulse laser or Q laser and other photoelectric treatment means to quickly remove acne marks, and after the operation should do a good job of strict sun protection. For the chin part of the existence of melanin pigmentation of acne marks, it is recommended that patients go to regular hospitals, under the guidance of professional doctors through drugs or laser to carry out the treatment.