The effect is very good, and everyone around you is using it. Usually, the diet is light, and eat more sweet and cold foods such as mung beans, water spinach, amaranth, celery, cucumber, wax gourd, lotus root and watermelon. Eat less spicy and warm food. Quit smoking and drinking. Don't stay up too late. Suitable for middle and long distance running, swimming, mountain climbing, all kinds of ball games, martial arts and other sports.