Whenever Chinese medicine is mentioned as a treatment for cancer, most people think of drinking traditional Chinese medicine, which is a one-sided view. Chinese medicine treatment of cancer should be a comprehensive treatment under the guidance of Chinese medicine theory and scientific and reasonable application of surgery, radiotherapy, chemotherapy and traditional Chinese medicine. The most fundamental characteristic of Chinese medicine is the holistic concept and dialectical treatment, and the fundamental principle of treating diseases is to support the right and get rid of the evil. Therefore, Chinese medicine must master the following three combined principles in treating cancer. I. Combining the treatment of supporting the positive and dispelling the evil The development and prognosis of tumors are the results of the mutual struggle between the organism (positive qi) and the tumor (evil qi). The purpose of cancer treatment is to support positive qi and get rid of evil tumors. Treatment to support positive energy can use immune enhancers such as thymus peptide, interleukin and tonic Chinese medicines such as Codonopsis pilosulae and Astragalus membranaceus to enhance the body’s own anticancer ability. Exorcism treatment can adopt surgery, radiotherapy, chemotherapy and blood circulation and detoxification and knot-dispersing traditional Chinese medicines such as Sanlang, Curcuma longa, Semen ziziphi, and Bai Hua Snake Tongue Herb, in order to get rid of the tumor and kill the cancer cells to the maximum extent. Generally speaking, in the early stage of cancer, the main focus should be on dispelling evils, so that the evils can be dispelled and the righteousness can be restored; in the middle stage, the main focus should be on dispelling evils and supporting the righteousness; in the late stage, the main focus should be on supporting the righteousness, so that the righteousness can be restored and the evil can be dispelled. Therefore, the early and late stages of the disease are one of the main bases for choosing what kind of treatment means. Early to help the right not to get rid of the evil, late to get rid of the evil not to help the right, not only to miss the time of radical treatment, but also will bring more trauma to the patient to accelerate the deterioration of the condition, this is the principle of both doctors and patients are prone to make mistakes. Combination of local and overall treatment The easy recurrence and metastasis of cancer determines that it is a systemic disease, especially breast cancer and lung cancer. Simple local treatment such as surgery and radiotherapy often fails to solve the problem of metastasis, which is the main cause of cancer patients’ death. Therefore, before and after surgery and radiotherapy, necessary systemic treatment such as chemotherapy and anti-cancer traditional Chinese medicine should be supplemented in order to kill the residual cancer cells or the escaped cancer cells in the blood to prevent recurrence and metastasis while removing the localized lumps of cancer so as to achieve twice the result with half the effort. Combination of dialectical treatment and disease identification treatment Dialectical treatment means that according to the patient’s symptoms and signs, corresponding drugs are given to relieve the patient’s pain. Disease identification mainly refers to identifying the tumor site and selecting the drugs (including anti-cancer Chinese medicine and chemotherapy drugs) that have been proved to be the most effective in this area of the tumor, so as to achieve the best therapeutic effect. It is worth mentioning that Chinese medicines that induce menstruation, such as Chuanxiong and musk, which are good at entering the brain, and Chaihu, which is good at entering the liver and gallbladder, can make the medicines go directly to the lesion, increase the concentration of the local medicines, and enhance the therapeutic effect. Only by mastering the relationship between supporting the right and dispelling the evil, local and overall, dialectic and dialectic, according to the patient’s location, pathology, stage of disease and general condition, formulating a scientific, reasonable, effective, long-term, individualized comprehensive treatment plan, arranging the sequential procedures of surgery, radiotherapy, chemotherapy, traditional Chinese medicine, etc., and promoting the strengths and avoiding the shortcomings, can we achieve the optimal therapeutic efficacy and the minimum of toxic and side-effects of the therapeutic purpose.