Nine fragrant insects have the effect of regulating qi, relieving pain, warming the middle and assisting yang. Nine Spice Worm is a traditional Chinese medicine which is salty in taste, warm in nature, and belongs to the liver, spleen and kidney meridians, and is the dried body of Nine Spice Worm of the genus Nine Spice Worm in the family of Stingidae. After professional concoction, it is useful in treating gastric coldness (manifested as stomach discomfort, stomach pain, bloating, nausea, etc.), liver and stomach disharmony (manifested as distension and pain in the chest, stomach and epigastric region, inability to think about food and drink, and eructation and belching), bloating and pain in the stomach, kidney deficiency, and impotence and weakness of the waist and knees. The adverse reactions and contraindications of Jiu Xiang Caterpillar are not clear at present. Caution should be taken, Yin deficiency and internal heat should be used with caution. It can be used internally in decoction, or in pills or powder. If there is a need for medication, it should be used under the guidance of a doctor to identify the evidence, and should not be used blindly on its own, so as not to cause adverse consequences.