Jujube is warm food, regardless of the season, excessive use of course on fire. The amount should be moderate to adhere to, the method should be appropriate. Specific method: 3-5 jujube with charcoal fire (firewood fire) roasted until charred. Soak water to drink throughout the day, one hour before going to bed at night will soak the cooked dates to eat. Adhere to the effect of more than a month will be obvious (the case of anemia), although the red dates are good, but eat more will produce abdominal distension, so should pay attention to control the amount of food. Dampness and heat heavy, yellow tongue should not be eaten.