Pimples are squeezed black, may be related to the aggravation of infection and bruising, in the treatment of anti-inflammatory as well as puncture and drainage treatment. 1. Infection aggravation. Acne is a chronic inflammatory skin disease, in some external factors stimulation or in the extrusion of the hand skin is not hygienic, may lead to infection aggravation, and even cause pustular acne, in the treatment of anti-inflammatory mainly, including local external mupirocin cream, oral roxithromycin capsules and so on. 2. Bruising. Excessive squeezing may lead to local blood vessel rupture bleeding, blood is not discharged from the body in time, it will be in the subcutaneous siltation and the formation of bruises, most of which can subside on their own, in the treatment of local topical fusidic acid cream, to prevent infection; if the bruises are serious, you can choose to use a sterile needle puncture to discharge the bruises, and pay attention to the disinfection treatment after the operation. Due to the individual differences in clinical manifestations, it is necessary to consult a doctor before choosing a treatment plan.