Disease treatment should be taken under the guidance of a physician. And the raw land, ripened rhizome, maitake, asparagus are rhizomes of traditional Chinese medicine, the texture is more dense, simple bubble water is generally no effect, only water decoction will have medicinal effect. 1. Shengdi efficacy have clearing heat, promote fluid, nourish yin, nourish blood, generally used for yin deficiency, blood heat and other diseases, manifested in dry mouth, thirst, tongue red, even delirium, subcutaneous hemorrhagic spots and other diseases. 2. Radix Rehmanniae Praeparata is the concocted and processed product of Radix Rehmanniae Praeparata. Its main effects are to nourish blood, nourish yin, benefit essence and fill in the marrow, and it is used in treating soreness of the waist and knees (a feeling of soreness and weakness of the waist and knees) caused by deficiency of kidney yin and insufficiency of kidney essence, dizziness and ringing in the ears, dryness of the mouth and thirst, agitation and insomnia, impotence and premature ejaculation. Treatment of menstrual disorders. 3. The main effect of Maitong is to nourish yin and promote the production of fluids, moisten the lung and clear the heart. It is used in the treatment of lung dryness and dry cough, pulmonary tuberculosis (tuberculosis) dry cough, hemoptysis, dry and itchy throat, dry mouth and thirst, irritability and insomnia, and dry and knotty stools. 4. The main effect of asparagus is to nourish yin and moisten dryness, clearing the lungs and generating fluids. Used for lung dryness and dry cough, cough phlegm sticky, waist and knee pain, irritability and insomnia, stool dryness and other diseases. The above efficacy of infused water may only play a supplementary role, extremely mild, it is recommended to change to decoction to take. The use of medication should be under the guidance of a professional physician, not self-medication, so as not to delay the condition.