Hello, acne is a skin disease caused by blockage and inflammation of hair follicles and sebaceous glands. It is related to spicy food stimulation, oily skin and endocrine disorders. In treatment, it is suggested to take roxithromycin, metronidazole and tretinoin orally. If the acne is serious, usually eat more fruits and vegetables, and eat less irritating foods such as fat, sugar and spicy food to keep the stool smooth. Avoid squeezing acne and leaving scars.