The cotton jujube in the title should refer to the Chinese herbal medicine Mian Zao Er, which has the effects of activating blood circulation and relieving pain (relieving pain by removing blood stasis), detoxifying and subduing swellings, and is commonly used for musculoskeletal pain, etc. It is toxic to pregnant women and is contraindicated in pregnancy. Mian Zao Er is poisonous and is contraindicated in pregnant women. Mian Zao Er belongs to the heat-clearing and detoxifying (removing heat and toxins from the body) medicines in the heat-clearing and detoxifying medicines, which belongs to the bulb or the whole herb of Mian Zao Er of the lily family. Mian Zao Er is also known as Shi Zao Er, Mian Zao Er is bitter, sweet and cold in nature. Mian Zao Er enters the stomach meridian. Mian Zao Er can be used internally and externally. Mian Zao Er has the effect of activating blood circulation, relieving pain, detoxification and swelling, long for the treatment of sores and canker sores canker sores, bruises, tendon and bone pain. Mian Zao Er is cold in nature, and should not be used by people with spleen and stomach deficiency (spleen and stomach weakness and cold). Mian Zao Er is contraindicated in those who are allergic to Mian Zao Er, and its adverse effects are not known. If necessary, please use under the guidance of a professional Chinese medicine practitioner, do not self-medicate.