A. Wash your face often with warm water, sulfur soap, when sebum is high, you can wash your face 3 to 4 times a day without cold water to prevent pore contraction, sebum blockage and acne aggravation. B. Avoid spicy and stimulating food, such as chili and alcohol; eat less greasy and sweet food; eat more fresh vegetables and fruits and keep your bowels open. C. Do not abuse cosmetics. Some powder cosmetics can block pores and cause sebum accumulation and acne. D. Do not squeeze the pimples with your hands to avoid spreading inflammation and leaving depressed scars after healing.