The occurrence of acne and usually stay up late, mental tension, eat spicy and greasy food more, facial cuticle too thick, sebaceous glands secretion too much, hair follicle pore blockage caused by. If you want to make your face smooth and white without acne forever, you have to change your diet and lifestyle habits, keep a happy mood, exfoliate regularly, exercise properly, drink more water, eat more vegetables, and keep your bowels open once a day. The most important thing is to make sure that you do not go out at 10pm after 2pm, when the UV rays are strongest and irritating to the skin, and to choose the right skin care products for you, and to remove your makeup thoroughly before going to bed every day. Another important point to note is that pillowcases, sheets, covers, regular replacement, disinfection, to prevent sleep insect mites to stimulate the skin leading to acne, as long as the practice of these points generally will not grow acne.