The idea of"preventive treatment of disease"is an important part of the theoretical system of traditional Chinese medicine. It is of great significance for the prevention

treatment and later treatment of diseases. The theory of cancer toxin pathogenesis is a theoretical system of TCM pathogenesis established on the basis of the academic thought of Professor ZHOU Zhongying. This theory analyzes the evolution of the development of tumors with cancer toxin as the core. Based on the idea of "preventive treatment of disease"

the specific application of the theory of cancer toxin pathogenesis in cancer prevention has been discussed from the three aspects of prevention before disease

prevention development after illness

prevention of relapse

and further promotion of the theory of cancer toxin pathogenesis

so as to improve the clinical efficacy of TCM for preventing and treating cancer.