If the decoction must be pure Chinese medicine first, it will be very bitter ~ then pay attention to the medicinal properties of the medicinal materials. If the constitution is weak and cold, don't eat cold food, such as bananas and lychees, but you can produce orange peel and the like. Moreover, you must not lose weight excessively because of deficiency and cold, and you should recuperate slowly, because deficiency and cold are weak, and excessive weight loss is harmful.