Cinnamon sticks and cinnamon are both parts of the cinnamon tree of the camphor family, cinnamon sticks are its dried shoots, cinnamon is its dried bark, the difference between the two lies in the differences in medicinal properties, efficacy, indications, contraindications and so on. 1. Different medicinal properties: cinnamon sticks taste pungent, sweet, warm, to the heart, lung, bladder meridian. Cinnamon is pungent, hot, and goes to the kidney, heart, spleen and liver meridians. 2. Differences in efficacy: Cinnamon has the efficacy of sweating and relieving muscles (relieving the evil on the surface of the skin), warming the meridians and channels, and assisting yang in transforming qi, while cinnamon has the efficacy of tonifying fire and assisting yang (replenishing yang qi in the body), dispersing cold and relieving pain (alleviating pain by dispelling cold in the body), and invigorating blood circulation and promoting menstruation. 3. Different indications: Cinnamon sticks are mainly used for treating wind-cold flu, cold pain in the stomach and abdomen (stomach and abdomen feel cold and painful), blood-cold menstrual closure, joint paralysis, edema, and can also be used for treating phlegm (pathological products formed by impaired metabolism of water and fluid), palpitations (rapid heartbeat, often accompanied by panic), etc. Cinnamon is mainly used for kidney yang deficiency (to replenish the body’s yang energy). Cinnamon is mainly used for kidney yang deficiency (lack of yang energy in the kidneys), impotence and uterine cold, cold pain in the heart and abdomen (the location of the heart and abdomen feels cold and painful), dizziness and redness of the eyes, cold and blood stasis, menstrual dysmenorrhea and so on. 4. Different contraindications: Cinnamon sticks are pungent and warm, and may aggravate the condition of patients with exogenous fever, yin deficiency and fire (deficiency of yin essence in the body, and hyperactive fire), and pregnant women and patients with excessive menstruation need to be cautious of its use. Cinnamon should be used with caution in patients with bleeding tendency and pregnant women. It is recommended that patients should use the medication under the guidance of a professional Chinese medicine practitioner when discomfort occurs, and should not use it blindly on their own, so as to avoid ineffective treatment and delay of the condition.