By summarizing the literature,this paper introduces the breakthrough progress made by scientists in re-cent years through advanced technological methods in the field of cancer-neuroscience.It emphasizes the inter-actions among tumors,the nervous system,and the immune system,highlighting some classical biological mecha-nisms and their important targets.The aim is to clarify future research directions by reviewing previous founda-tional research outcomes and to provide a perspective on the exploration path from basic research to clinical ap-plications.