There is no research related to cinnamon’s miraculous effects. Cinnamon has the effects of drawing fire back to its source, tonifying fire and helping yang (replenishing the body’s yang energy), dispersing cold and relieving pain (relieving pain by dispelling the body’s cold), and invigorating the blood and promoting menstruation. Cinnamon belongs to the warm li medicine, this product is the dried bark of cinnamon of the camphor plant. Cinnamon is pungent, sweet and hot, and enters the kidney, spleen, heart and liver meridians. It can be used internally and externally. Cinnamon is used in the treatment of menstrual closure, impotence, dolphin, uterine cold, cold hernia, cold pain in the waist and knees, cold vomiting and diarrhea, kidney deficiency as asthma, cold pain in the heart and abdomen (the location of the heart and abdomen feel cold and painful), dizziness in yang deficiency, sore eyes and throat, menstrual cramps and so on. Cinnamon is hot in nature and should not be used by people with spleen and stomach yin deficiency (deficiency of yin in the spleen and stomach), and it is forbidden for people who are allergic to cinnamon. Caution should be exercised for those with bleeding tendency and pregnant women, and should not be used together with red stone resin. Patients who feel unwell are advised to consult a doctor in time, and if necessary, please use it under the guidance of a professional Chinese medicine practitioner.