1, quit smoking and alcohol. 2, avoid spicy and stimulating diet. 3.Drink more water. 4.Eat more vegetables and fruits. 5.Avoid sedentary. 6, avoid cold. 7, regular sex life, young people are generally recommended 2-3 times a week. 8, you can eat more tomatoes, apples, pumpkin seeds, watermelon white, etc. 9, regular life, diet and nutrition, pay attention to rest, sleep enough.