Cold hands and feet can be relieved by taking cinnamon, which is very hot in nature and can be used for symptoms of coldness such as coldness (fear of cold and cold limbs). Cinnamon has the efficacy of tonifying fire to help yang (replenishing yang qi in the body), inducing fire to return to the source (inhibiting the rising of fire evil in the kidneys), warming up the meridians, dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and is used for kidney yang deficiency, impotence and uterine coldness, cold pain in the heart and abdomen (feeling cold and painful in the location of the heart, mouth, and abdomen), menstrual cramps, and yin gangrene (a general term for a type of yin sores and ulcers that have a slow condition), among other symptoms. It should be noted that this product is contraindicated for people with yin deficiency and fire (deficiency of yin essence in the body and hyperactive fire); pregnant women and people with bleeding tendency should be cautious. Patients with cold hands and feet eat cinnamon has a certain effect of improvement, but improper use may cause harm to the body, it is recommended that patients use cinnamon under the guidance of a doctor.