肿瘤标志物是由肿瘤细胞或非肿瘤细胞产生，但在质和量上有显著性差异。在日常临床诊断中被广泛应用，其临床意义已被不同程度的确立，特别是肿瘤标志物被用于普查、观察疗效及愈后随访。现代科学进展迅速，肿瘤标志物方面不断有新的发现。为了更好的、合理的应用于临床，本文 Tumor markers are produced by tumor cells or non-tumor cells, but there are significant differences in quality and quantity. It has been widely used in daily clinical diagnosis, and its clinical significance has been established to varying degrees. In particular, tumor markers have been used for screening, observation of efficacy and follow-up. Rapid progress has been made in modern science and there have been new discoveries in tumor markers. For better and reasonable application in clinic, this article