Effect of Jianpi Huatan Decoction on Advanced Colorectal Cancer

This study will take progression-free survival and overall survival as the main evaluation indexes, to evaluate the Efficacy of Jianpi Huatan Decoction in the Treatment of Advanced Colorectal Cancer. Decision Trees and Discriminant Analysis will be used to analyze the characteristics of dominant population combined with clinical data of patients. DNA methylation of the subjects will be detected to study the methylation characteristics of the preponderant population of Jianpi Huatan Decoction.