In clinical practice, cinnamon can be used to draw fire back to the vital energy. One of the effects of cinnamon is that it can induce the floating Yang qi due to the deficiency of the lower element to return to the home. Cinnamon is hot and enters the kidney and liver meridians, so it can bring back the floating yang to the lower jiao due to the weakness of the lower yuan and play the role of inducing the fire to return to the source. Clinically, this method is often used to treat the upward floating of deficiency yang, asthma due to kidney deficiency, and dizziness and redness of the eyes. In addition, this drug is often used in conjunction with Cornus officinalis, Schisandra chinensis, oyster and other drugs in the clinical treatment of symptoms caused by deficiency of yang, deficiency of yuanyang, such as redness of the face, redness of the eyes, dizziness, asthenia, palpitation, sweating, insomnia, weak pulse, etc. In addition, this drug can be used in the treatment of deficiency of qi and blood, prolonged illnesses and other diseases. In addition, qi and blood deficiencies, chronic illnesses and weakness of the population, adding a small amount of cinnamon in the formula to tonify qi and blood, there is a warm movement of yang qi, encouraging the growth of qi and blood, representative of the formula for the ten full of tonic soup. This is also a great use of cinnamon to draw fire back to the source. Cinnamon is warm and hot, the wrong dose not only can not play a role, but also prone to other discomforts, so it should be applied under the guidance of a traditional Chinese medicine practitioner, do not blindly take the drug on their own.