The onset of acne is related to excessive skin keratinization, sebum secretion, P. acnes infection and inflammatory response, and diet, sleep, emotions, and work stress are also influencing factors. Modern urban white-collar workers live a fast-paced life and are especially prone to acne, especially after working late at night. Three reasons for the concentrated outbreak of acne: 1, overtime and overtime make people feel nervous, pressure multiplied, liver fire, endocrine disorders, acne surge. 2, party eating too much greasy food, plus excessive late night carnival, how can acne not find the door. The actual fact is that you will be able to get a good deal on your own. 1, timely adjustment of work and rest time, to ensure adequate sleep: If you stay up late, lack of sleep affects the level of endocrine, which can easily cause acne. If you usually sleep six to seven hours, but in this period must be best to ensure that sufficient sleep eight hours a day, and preferably before midnight to sleep, obviously, the quality of sleep during the day is not as good as at night. 2, to the skin proper cleaning, good hydration and moisturizing. All skin has the function of self-repair, but dryness and lack of water will seriously affect the barrier function of the skin and limit its ability to repair. Finally, if acne is more serious, life regulation alone is not enough, because the root cause of acne still lies in abnormal skin keratinization, excessive secretion of sebaceous glands, acne bacillus infection, etc., need to go to acne specialist treatment, modern medicine using professional red and blue light combined with anti-acne drug treatment, the effect is quite ideal.