Jiaotai Pill has the effect of communicating with the heart and kidneys, and is a representative formula for the treatment of heart fire hyperactivity, heart-kidney non-communication syndrome, the hazards and contraindications of taking this product are not clear. Jiaotai Pill consists of Huanglian and Cinnamomum cassia. Huanglian is bitter and cold and enters the heart meridian, which can lower heart fire, while Cinnamomum cassia is pungent and hot, which can warm up the kidney and help yang (warming and tonifying the yang energy of the kidney). The combination of Huanglian and Cinnamomum cassia can restore kidney yang, lower heart fire, bring kidney water up, and harmonize the heart and kidney. Jiaotai Pill has the function of communicating with the heart and kidneys (heart fire descends, kidney water rises, mutual control), and can be used for the treatment of sleeplessness at night, dizziness (violent heartbeat, panic disorder), and sores on the mouth and tongue due to excessive heart fire, heart-kidney dissonance (excessive heart fire, kidney yin deficiency, dysfunction of the physiological functions of the heart and the kidneys). Adverse reactions and contraindications of taking Jiaotai Pills have not been clarified, feeling unwell it is recommended to go to the hospital in time, the use of this product needs to be guided by a professional physician.