Improper decoction and compounding of some Chinese herbal medicines may lead to elevation of glutamine aminotransferase. Glutaminase is an enzyme protein present in liver cells. When the liver cells of patients are damaged, the serum glutaminase is elevated, suggesting that the liver function of patients is impaired. The improper use or compounding of certain toxic Chinese medicines, such as Cao Wu, Mu Tong, and Pian Zi, can cause damage to human liver function and lead to elevated ALT. Some toxic drugs have special points to note in the process of using them, such as the first decoction and long decoction of drugs such as Cao Wu and Radix Polygoni Multiflori, and Cao Wu can not be used together with drugs such as Han Xia, Gua Puzu, Bei Mu, Bai Jiao and Bai and so on. Improper matching of drugs can also increase toxicity and damage the human body. Taking Chinese medicine needs to be under the guidance of a professional doctor, patients with elevated ghrelin, it is recommended to consult a doctor in time to avoid delaying the condition.