The effectiveness of Cinnamon 10g and Rhizoma Coptidis 10g is mainly determined by the patient’s condition, and only symptomatic treatment will yield good results. If patients use cinnamon and Huanglian to treat heart-kidney dysfunction (heart fire, kidney yin deficiency, dysfunction of the physiological functions of the heart and kidneys), they can use Jiaotai Pills, in which 1.5g of cinnamon and 15g of Huanglian are used. Jiaotai Pill, composed of Cinnamon and Rhizoma Coptidis, has the efficacy of communicating with the heart and kidneys (heart fire descends, kidney water rises, and mutual control), and is suitable for heart fire hyperactivity, heart-kidney disjunction, symptoms such as dazed and anxious (heartbeat is violent, and fearful and uneasy), or sleeplessness at night, and sores on the mouth and tongue. In the formula of Jiaotai Pill, Huanglian is the monarch drug, which is bitter and cold into the heart, clearing and lowering the fire of the heart, accompanied by the pungent and hot cinnamon, warming and helping the kidney yang. The combination of the two medicines makes the heart fire descend, kidney yang be restored, kidney water be carried, and the heart and kidneys be intertwined. Clinical use of drugs should be carried out under the guidance of a professional doctor, can not be arbitrarily combined, so as not to affect the efficacy of treatment and cause damage to the body.