When the cold in the body increases, the contractile function of gallbladder decreases, the contractile ability of bile duct in the liver also decreases, bile can not be fully emptied, food digestion slows down, staying in the stomach for too long, spleen and stomach differ in appearance, and the transport ability of spleen decreases, so you will feel tired. When you have time, you can dig some bitter tea in the field and mix some bitter brown sugar water. He is a native of Guannan, Jiangsu Province. He usually eats light and little oil, and eats less cold and spicy food.