Cuttlefish bone's medicinal name is cuttlebone, which is used as a hemostatic in traditional Chinese medicine. It has the effects of relieving pain, stopping bleeding, setting bone, repairing bone defect, resisting radiation, tumor and ulcer. It is used for astringing and stopping bleeding, arresting leukorrhagia, making acid and healing sore. Used for ulcer, hyperacidity, hematemesis and epistaxis, metrorrhagia and hematochezia, nocturnal emission and spermatorrhea, leucorrhea with red and white discharge, stomachache and acid swallowing; External treatment of injury and bleeding, sores and pus. At the same time, it is a calcium supplement, which can resist radiation, resist tumor and promote the repair of bone defects. It is nontoxic, harmless and has no side effects. It can be taken for a long time, but patients with gastric acid deficiency and dyspepsia should not take it for a long time.