Pig’s tail can be eaten after chemotherapy for gastric cancer, but it should be in moderation. High alanine aminotransferase after chemotherapy for gastric cancer surgery is mainly considered as liver damage caused by chemotherapy drugs, and it is possible to eat pig’s tail, which contains protein, calcium, iron, vitamin A, vitamin D and so on, which can replenish nutrients needed by the organism and improve immunity. However, it needs to be in moderation, and excessive consumption will increase the burden on the stomach and intestines, which is not good for the body. In addition, the appearance of high glutamic acid aminotransferase, under the guidance of the doctor to standardize the treatment, such as taking liver-protecting drugs, such as bisabolol, compound glycyrrhizic acid glycoside and so on. Intravenous medication can also be used, such as thiopronin and inosine injection.