The modern dosage of Jiaotai Pill is 3 grams per dose, taken twice a day. Jiaotai Pill is from “Han’s Medical Guide”, which consists of two herbs, Cinnamomum cassia and Rhizoma Coptidis. It has the effect of communicating with the heart and kidneys (the heart fire descends and the kidney water ascends, which are in mutual control), and can be used for the symptoms of heart and kidney dissonance (heart fire is strong and kidney yin is weak, and the physiological functions of the heart and the kidneys are out of order), and hyperactivity of the heart, which can be seen as disturbed sleep at night or restlessness of the mind with palpitation (a violent heartbeat and panic), and sores of the mouth and the tongue. This formula is a representative formula for the treatment of the symptoms of restlessness of the mind due to hyperactivity of the heart and disorders of the heart and kidneys. Huanglian in this formula is the monarchical drug, which can clear and lower the fire of the heart; accompanied by the pungent and hot Cinnamon, which can warm and help the kidney yang. The combination of the two herbs can make the kidney water get up and down, the heart fire can be lowered, and the heart and kidney are in harmony with each other. The adverse reactions, contraindications and precautions of the drug are not clear. The drug should be used under medical supervision and should not be taken on its own.