Squid bone has different formulas for treating different stomach diseases, such as treating stomach pain and acid vomiting with Bei Mu, licorice, corrugated seeds, etc., such as treating gastric hemorrhage is often paired with Bletilla. Squid bone is the dried inner shell of the squid family, and enters the spleen and kidney meridians, with a salty flavor and slightly warm. As a traditional Chinese medicine, it has the effect of stopping bleeding by astringency (using drugs with astringent effect to treat bleeding diseases), stopping pain by collecting dampness, and stopping bandages by fixing essence. Clinically, it can treat stomach pain, reddish-white leakage, wet and itchy scrotum, and it is useful for spermatorrhea, blood in the stool, abdominal pain in the abdomen and obstruction in the abdomen. Squid bone is used in the treatment of gastric diseases, such as the treatment of gastric hemorrhage is often combined with water hyacinth. For the treatment of stomach pain and acid vomiting, it can be combined with Bei Mu, licorice, corrugated seeds and so on. The adverse reactions and contraindications of squid bone are not clear, and the precautions are not to be used by those who have fever in blood diseases. Before using Squid Bone, it should be used under the guidance of a Chinese doctor, and should not be purchased and used on its own to avoid delaying the condition.