It is widely known that practicing the soothing movements of taijiquan can strengthen the body, and adherence to taijiquan exercises has been reported to cure certain diseases. In fact, taijiquan is also a very suitable exercise for cancer patients. Long-term practice of tai chi can improve the immunity of cancer patients and reduce the risk of cancer recurrence. Taijiquan therapy works by exercising the whole body and repairing the balance of yin and yang. Taijiquan is about the smoothness of the form and the smoothness of the body, thus achieving the effect of fitness and health. In addition, in the practice, the body should be vertical and neutral, because when the body is upright, the whole body relaxes and breathes smoothly, so it is not easy to feel fatigue and the muscles do not feel sore and fatigue. At the same time, it can also make saliva secretion increase, gastrointestinal peristalsis speed up, timely removal of human waste and toxic substances, and facilitate the body to recover as soon as possible. Taijiquan, with its soothing movements, is actually a very suitable exercise for cancer patients. It is not only good for limb and joint health, but also has health effects on the gastrointestinal tract, muscles and nerves as well as the brain. Long-term tai chi can improve the immunity of cancer patients and reduce the risk of cancer recurrence. The recovery of cancer patients requires good physical fitness and a good state of mind, while playing tai chi not only exercises the body, but also relaxes the body and mind, strengthens the immunity of the body, and thus stops and delays the progress of the disease. Through taijiquan, the physiological functions of the human body are slowly adjusted so as to strengthen the body and improve the ability to resist diseases, so as to achieve the purpose of strengthening the body and recovering. The initial rehabilitation exercise for cancer patients starts when the human body is extremely weak after radiotherapy, and it is the first important not to be overly fatigued. Therefore, intense physical exercise should be avoided, and choosing soft and light tai chi exercise is one of the preferred good methods for cancer patients during the recovery period. In my opinion, the initial rehabilitation exercise for cancer patients starts when the body is extremely weak after radiotherapy, so it is important not to be overly fatigued. Therefore, intense physical exercise should be avoided, and choosing soft and light tai chi exercise is one of the preferred methods for cancer patients during the recovery period.