The therapeutic effect is not ideal for patients with colorectal cancer that has already metastasized.In recent years,it has been found that extracellular vesicles play an important role in various aspects of cancer cells,and their impact on the invasion and metastasis process of colorectal cancer has gradually been revealed.This review reviews and analyzes the role of extracellular vesicles in the invasion and metastasis of colorectal cancer,and briefly introduces the role of some extracellular vesicles in the treatment of colorectal cancer.