Cinnamon can draw fire back to the source (inhibit the rising of fire evil in the kidneys) and can be used for conditions such as deficiency yang upward (relative deficiency of yang qi affecting the head and face), redness and dizziness of the eyes, etc. It should be used in accordance with the doctor’s instructions. Cinnamon is a Chinese herb that belongs to the kidney, spleen, heart and liver meridians, with a pungent flavor and great heatiness. It has the effects of inducing fire to return to the source, dispersing cold and relieving pain (relieving pain by removing cold from the body), tonifying fire and assisting yang (replenishing yang energy in the body), and warming the meridians. Cinnamon can be used for kidney deficiency, cold pain in the waist and knees, deficiency of yang (relative deficiency of yang affecting the head and face), redness of the eyes and dizziness, cold vomiting and diarrhea, cold pain in the heart and abdomen (cold pain at the location of the heart, mouth and abdomen), cold hernia and abdominal pain (acute abdominal pain caused by the coldness of the internal organs and the coldness of the wind), impotence, dysmenorrhea and menstrual dysmenorrhea, and uterine cold and other disorders. This product is pungent and hot to deplete yin and move the blood, so yin deficiency fire (Yin essence loss in the body, the emergence of hyperactive fire) should be avoided, bleeding tendency and pregnant women should be used with caution, should not be used with the red stone resin. The adverse effects of this product have not been clearly defined, should be used under the guidance of a doctor to identify the evidence, do not take medication without authorization, so as not to aggravate the condition.