Combine diet, sleep and good mood.
Don't eat too spicy and greasy food, don't eat too sweet and salty snacks and eat less cold drinks; Good and sufficient sleep is the beginning of good skin; Usually give your negative emotions a timely vent; Three meals a day should be healthy and regular; Breakfast is nutritious and healthy, ending before 9 o'clock, lunch can be a little full, dinner must be light and digestible, eat less midnight snack, and eat millet porridge if you want; Usually you can jog, swim, ride a bike or sit-ups.