As one of the means of anti-cancer treatment in TCM, “fighting poison with poison” has played a greater role in cancer treatment. Because some people have artificially exaggerated its effect, it has caused many patients to abuse it and caused many fatal drug poisoning. Therefore, the correct understanding of the role and status of Chinese medicine in tumor treatment is an issue related to patients’ lives for tumor patients and their families. First of all, there are many means of anti-cancer treatment in Chinese medicine, not only “attacking poison with poison”, but also not “attacking poison with poison” has the best efficacy, “attacking poison with poison” Chinese medicine is only used appropriately in the special stage of tumor development. The length of time and dosage should be strictly controlled according to the condition and not arbitrarily. Secondly, the anti-cancer effect of “fight poison with poison” Chinese medicine is limited, and one cannot expect “fight poison with poison” Chinese medicine to kill all cancer cells. “They can kill cancer cells to a certain extent, but they are more for inhibiting the growth of cancer cells and controlling tumor development. Lastly, whether or not you use “fight poison with poison” Chinese medicine, you should go to a regular hospital to see a tumor specialist for treatment, and you should not believe in any prescriptions, otherwise your condition will be delayed and even fatal drug poisoning will occur.