Cuttlebone has the effect of astringency to stop bleeding (using drugs with astringent effect to treat bleeding diseases), astringent to stop the effect of the belt; the time of taking this product is not a clear requirement, should be taken in accordance with the doctor’s instructions. Cuttlebone is a traditional Chinese medicine, for the squid family squid needleless squid animal squid inner shell. This traditional Chinese medicine has the effect of astringency to stop bleeding, astringency to stop the belt, acid control, astringent sores. It is used for acid swallowing (swallowing the acid that rushes up from the stomach to the oropharynx), epistaxis, metrorrhagia (excessive menstrual flow or dribbling), spermatorrhea and seminal emission, diaphoresis, ulcerative diseases; externally, it also has a therapeutic effect on bleeding injuries and pustular sores. Its adverse reactions and contraindications are still unclear. It should be noted that those who are weak in yin and have a lot of heat should not take it more than once. Clinically, it is generally not used as a single medicine, often combined with Cornus officinalis and Shayuanzi, used for spermatorrhea and spermatorrhea; it is used with Cynomolgus and Schisandra to treat leakage; it is used with Yanhuisuo, Baihe and corrugated seeds to treat stomach pain and vomiting of acid. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use them blindly to avoid adverse consequences.