血清肿瘤学标志物是指由恶性肿瘤细胞合成、分泌并释放入血和(或)体液中的生物活性物质,包括酶、激素、蛋白质、代谢产物等[1],其产生、变化与恶性肿瘤,尤其是胃癌的生长扩散及发生发展密切相关[2]。近年来,随着免疫学、生物化学、分子生物学及其相应技术的发展,血清肿瘤标志物 Serum tumor markers refer to the bioactive substances, including enzymes, hormones, proteins, metabolites, etc., which are synthesized, secreted and released into the blood and / or body fluids by malignant tumor cells [1], and their production, changes and malignant tumors , Especially the growth and spread of gastric cancer is closely related to the occurrence and development [2]. In recent years, with the development of immunology, biochemistry, molecular biology and their corresponding technologies, serum tumor markers