Shoulder acne may be caused by folliculitis, acne and other diseases manifested as pimples, it is recommended to seek timely medical treatment. 1. Folliculitis: it can occur in any hair follicle part of the body, head, face, shoulder and neck, thighs, etc. Clinically, it can be manifested as a red papule around the hair follicle, and sometimes pus, itching, pain and other symptoms can occur. Shoulder acne may be caused by folliculitis, the patient can follow the doctor’s instructions to use fusidic acid cream, mupirocin ointment treatment, usually pay attention to personal hygiene, regular work and rest. 2. Acne is a common chronic inflammatory disease of the sebaceous glands of the hair follicles, mostly occurring in the sebaceous glands in the areas of exuberant secretion, such as the face, chest and back, shoulders and so on. Generally, you can follow the doctor’s instructions to use adapalene gel, fusidic acid cream and other medications, if necessary, oral doxycycline and other treatments, usually pay attention to local hygiene, to maintain a good work and rest and living habits. Shoulder acne should be diagnosed in time, under the guidance of the doctor for treatment, do not self-medication.