According to the report of the National Cancer Center, there are about 4.5 million new cancer patients and 3 million deaths in China every year. How to effectively implement a comprehensive system of prevention and control measures and reduce the incidence rate of malignant tumors in the country, so that the mortality rate of cancer is effectively controlled is a problem that needs to be solved urgently. In particular, it is worth mentioning that in China, the addition of traditional Chinese medicine in the treatment of malignant tumor plays an important role in improving the therapeutic effect, reducing the toxic and side effects of comprehensive treatment, improving the quality of life, and "survival with tumor" of end-stage cancer patients. Professor Wang Xisheng has been engaged in the field of traditional Chinese medicine in the treatment of cancer for more than 40 years. In his long-term clinical practice, he has accumulated rich experience in the prevention and treatment of malignant tumors. This article introduces Professor Wang's thinking on cancer in clinical practice and the "Fu Yuan Fu Heng method" in the treatment of malignant tumors for reference.