Boys face acne may be due to dietary factors, endocrine disorders or bacterial infection and other reasons. 1. Dietary factors: boys in daily life, if you regularly eat some junk food, greasy food and stimulating food, etc., can stimulate the face of sebum secretion, pore clogging, resulting in acne on the face. 2. Endocrine disorders: due to the abnormal secretion of male hormones, resulting in patients with an imbalance of skin oil secretion, there will be oil clogging pores, resulting in acne on the face. 3. Bacterial infection: when the hair follicles on the face are blocked, they will be infected with Propionibacterium acnes, and when the bacteria proliferate excessively, they will stimulate the hair follicles and the skin around the hair follicles to undergo an inflammatory reaction, which will lead to the appearance of long acne on the face. Boys face acne, it is recommended to go to the hospital in time, clear reasons for targeted treatment, daily attention should be paid to do a good job of facial skin cleaning, to avoid staying up all night caused by the aggravation of the situation.