Taking traditional Chinese medicine for advanced cancer is not able to reverse it, but it can improve the side effects during radiotherapy, prevent recurrence and metastasis, and improve the quality of life. 1. Improve the side effects of radiotherapy: Cancer patients may have some toxic side effects of drugs during radiotherapy, which may cause insufficient qi and blood in the body and damage to internal organs. Choosing traditional Chinese medicine can control bone marrow suppression, reduce the reaction of digestive system, and reduce radioactive inflammation. 2. Preventing recurrence and metastasis: It can help to support the positive energy and get rid of the evil energy in the body, change the internal environment of the body through diagnosis and treatment, and prevent recurrence and metastasis. 3. Improve the quality of life: For terminal cancer patients, drinking Chinese medicine can reduce their pain and improve their quality of life. The purpose of cancer patients choosing Chinese medicine is to improve the quality of life and prolong the life cycle. However, the efficacy may vary from person to person due to the difference in individual physique, so it is recommended to look at it rationally and do not seek medical treatment blindly.