Li Lao attaches importance to the functions of softening hard mass, promoting blood circulation and removing blood stasis in traditional Chinese medicine, so as to control tumors, reduce the chances of metastasis and recurrence, or prolong the survival time with tumors. This paper discusses the treatment of cancer pain and various tumor complications and complications by traditional Chinese medicine, emphasizes the indication of preventing cancer pain and the possibility of pre-analgesia, and publishes Control Cancer Pain and Improve the Quality of Life, External Treatment of Qutongling 144 Cases of Cancer Pain, Prevention of Cancer Pain by Traditional Chinese Medicine, Broad Prospect of Prevention of Cancer Pain by Traditional Chinese Medicine, and Study on External Treatment of Cancer Ascites by Xiaoshui Formula.