1, pay attention to facial cleanliness: often use warm water to wash your face, because cold water is not easy to remove oil, hot water promotes sebum secretion, do not use irritating soap, sulfur soap is good for acne, do not use snow cream and other greasy cosmetics. 2, a reasonable diet: eat more vegetables and fruits, eat less fat, sugar and spicy and other stimulating foods, and keep the bowels open. 3, do not squeeze the acne with your hands, so as not to cause pus inflammation, pus breakage and absorption to form scars and pigmentation, affecting the beauty.