Diet therapy: Patients declare to eat less high sugar, high fat, wine, spicy and other stimulating food, eat more vegetables (bean sprouts, bok choy, artemisia, winter melon, loofah, bitter melon, water chestnut) and fruits. Drink mung bean soup often to clear lung heat, remove dampness and toxicity. Eat more food with long fiber to keep the bowels open, which is good for preventing acne. In addition, avoid using oily, fatty, powdered skin care cosmetics and ointments and creams containing hormonal ingredients. Wash your face twice a day with warm water and do not use strong alkaline soap. Make sure you get enough sleep and adjust the function of the digestive system. All these will help to cure acne.