Traditional Chinese medicine (TCM) can assist in the treatment of discomfort caused by cancer, including Chinese herbal medicine, acupuncture, tuina and other treatments, but cancer treatment can not rely solely on TCM, if necessary, need to be combined with other treatments such as chemotherapy, surgery and other means. Chinese medicine believes that the occurrence of cancer is due to the deficiency of positive qi and the feeling of external evil, which leads to the dysfunction of internal organs and produces the evil poison, silt and blood, etc., which are embedded in the internal organs and fight with each other. The principle of treatment is both attacking and complementing, with early stage mainly attacking the evil, middle stage identifying and treating multiple methods, and late stage mainly supporting the positive. Traditional Chinese medicine can be applied in the whole process of cancer treatment. Oral administration of traditional Chinese medicine can alleviate the uncomfortable symptoms accompanied by cancer, in addition, acupuncture, tuina and other techniques can also mobilize the body’s yang qi to fight against the evils and alleviate the symptoms, so as to improve the quality of life of cancer patients. It is recommended that cancer patients actively seek medical advice and standardized treatment under the guidance of physicians to avoid delays.