Soreness and pain in the right arm are not necessarily cancer-specific symptoms, but if there is a history of tumor, it is necessary to be vigilant not to exclude the possibility of tumor bone metastasis or primary bone tumors, but it can also be caused by non-cancer factors, such as muscle strain, cervical disc herniation, and so on. When considering malignant tumors, such as prostate cancer, breast cancer, etc. developed to advanced stages, often accompanied by distant metastases, such as bone metastases. When bone metastasis of the right arm occurs, it can lead to the symptoms of soreness and pain of the right arm. At the same time, it can also be accompanied by pathological fracture, localized mass and other clinical manifestations. Other non-cancer factors can also lead to right arm pain, such as muscle strain after strenuous activities; and cervical disc herniation compression of nerves and other factors. Therefore, patients who are not adapted to go to the hospital for standardized diagnosis and treatment, in order to clarify the cause of the disease in time, treat the symptoms and recover early.