Cheek acne is mainly related to exuberant secretion of androgen, keratinization of hair follicles, propagation of Propionibacterium folliculorum, bad habits and emotional factors. 1. Excessive secretion of androgens: Excessive secretion of androgens in the body will cause an increase in the lipid secretion of the hair follicles, which will easily induce acne and cheek acne. 2. Keratinization of hair follicles: excessive keratinization of the sebaceous gland ducts of the hair follicles will cause secretions not to be easily discharged, which will also induce cheek acne. 3. Propionibacterium folliculare reproduction: Propionibacterium acnes reproduction inflammatory reaction stimulates the hair follicle can also cause cheek acne. 4. Bad habits: Staying up late, working hard, smoking, drinking heavily, not paying attention to hygiene, love spicy, love sweet and other bad habits, also easy to induce cheek acne. 5. Emotional factors: mental depression, anxiety and other adverse emotional stimuli, can also cause cheek acne. Cheek acne may also be other reasons, it is recommended to go to the hospital to check the cause of the disease, and follow the doctor’s advice to actively deal with.