The cause of acne in the human midsection is not significantly different from acne in other parts of the face. It is mainly due to high sebum secretion or inadequate cleaning, which clogs hair follicles and forms folliculitis. The sebaceous glands and hair follicles are more densely distributed in the middle part of the human body, so it is a good site for acne. If you are in puberty or pregnancy, your body’s hormone level changes and your metabolism is more vigorous, you may have acne due to high sebum secretion. If the body type is more fat, or often stay up late, stressful people, may be due to hormone secretion disorder acne. If you love sweets, fried foods, spicy and stimulating foods or dairy products, it may also affect sebum secretion and make you prone to acne on your face and in your midsection. The middle of the person belongs to the danger triangle, do not squeeze with your hands when you have pimples in the middle of the person to avoid causing intracranial infection. It is recommended to treat with creams under the guidance of a doctor, such as topical fusidic acid cream. Patients with more serious symptoms can be treated with oral medication.