Pain in the back, if it is a cancer patient, is usually a signal of advanced stage, not an early signal. Back pain, if diagnosed with cancer, is usually caused by tumor cell metastasis to the ribs, or metastasis to the spine, which usually indicates that the primary tumor foci are not in the spine or ribs but in other parts of the body, such as the liver, breast, and so on. Patients with skeletal metastases, which are already in the advanced stage of malignant tumors, usually suffer from severe pain, and it will seriously affect the survival time of patients and reduce their quality of life. At this time, patients should adopt targeted treatment to control the development of the disease in order to alleviate the clinical symptoms and improve the quality of life. Even for patients in advanced stages, the survival time and quality of life can be prolonged through active treatment.