Cinnamon belongs to the warming medicine, which is used to treat impotence, cold uterus, cold pain in waist and knees, kidney deficiency, asthma, deficiency of yang (relative deficiency of yang affecting the head and face), etc. Ginger belongs to the antidote medicine, which is used to treat wind-cold cold, cold stomach and vomiting, cold phlegm and cough. 1. Cinnamon is pungent and sweet in flavor, hot in nature, and belongs to the kidney, spleen, heart and liver meridians. It has the effects of tonifying fire and helping yang (replenishing yang qi in the body), inducing fire to return to its original source, dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and warming the meridians. It is used in treating deficiency Yang, dizziness and redness of the eyes, cold pain in the heart and abdomen (feeling cold and painful at the location of the heart and abdomen), vomiting and diarrhea due to deficiency cold and dysmenorrhea with menstrual pain and menstrual occlusion. Attention, solid heat, yin deficiency and fire (deficiency of yin essence in the body, hyperactive fire), bleeding tendency, pregnant women are prohibited. 2. Ginger is pungent, slightly warm, belonging to the lung, spleen and stomach meridians, with the effect of relieving surface cold (removing cold from the surface of the muscle), warming and stopping vomiting (treating vomiting caused by stomach cold by warming up the spleen and stomach), resolving phlegm and stopping cough, and relieving the toxicity of fishes and crabs. It is used in treating wind-cold cold, cold stomach and vomiting, cold phlegm and cough, and fish and crab poisoning. Note that it should not be taken by people with Yin deficiency and internal heat. Note that cinnamon and ginger are warm products, clinical application of many contraindications exist, it is recommended to use the drug under the guidance of a professional physician, do not take medicines indiscriminately, so as not to help the fire hurt the yin.