As one of the common malignant tumors in China, primary liver cancer, whose incidence rate and mortality rate are always in the top five, is seriously threatening the health of people. Therefore, early diagnosis and treatment of primary liver cancer are of great significance. In recent years, the incidence of primary liver cancer, which is caused by hepatic steatosis or metabolic dysfunction-related liver disease, is increasing year by year, and it has become one of the fastest rising causes in some developed countries. More and more studies have also confirmed that the levels of different kinds of lipids and their metabolites are correlated with the development of hepatocellular carcinoma. In this study, the researchers performed qualitative and quantitative analyses of various common lipid metabolites in plasma and liver cancer tissues of hepatic resection patients with hepatocellular carcinoma, collected tumor-related pathological data from the patients, and investigated the correlation between the lipid metabolites and the development of hepatocellular carcinoma, in order to provide a new idea for the early diagnosis and treatment of primary hepatocellular carcinoma, as well as for screening of hepatocellular carcinoma markers.