Acne inside the bruises black purple, considering the subcutaneous capillary rupture caused by, you can strengthen skin care, topical drugs, general treatment and other measures for treatment. 1. Strengthen skin care: keep the skin clean and dry, wash your face with water, avoid scratching and squeezing the skin lesions, most of the small amount of bruises will be absorbed by themselves and gradually recover. 2. Topical medication: first use iodophor to sterilize the acne and the surrounding skin, and then use topical adapalene gel, inflammatory reaction with fusidic acid cream and other drugs. 3. General treatment: avoid staying up late, go to bed early and get up early to eat more vegetables and fruits, and eat less sugar, as well as fat-containing ingredients. Acne inside the bruises black purple, it is recommended to first go to the hospital for examination, under the guidance of medical treatment, to avoid abusing their own drugs, to avoid causing adverse reactions.