Pain in hands and feet is not necessarily cancer, it may be rheumatoid arthritis, gout, rheumatoid arthritis and other diseases, but it may also be caused by bone cancer and bone metastasis tumor factors. 1. Rheumatoid arthritis: this disease is usually caused by the infection of group A streptococcus, cold or humidity will induce the disease, which will lead to joint pain, local redness and swelling, and other symptoms, and the pain will not last long. 2. Gout: gout and purine metabolism disorders and (or) uric acid excretion is reduced due to hyperuricemia is directly related to the onset of too much uric acid in the body, may lead to the joints and other parts of the uric acid crystals, causing pain in the joints, will cause pain in the hands and feet. 3. Rheumatoid arthritis: if the pain in hands and feet is accompanied by stiffness and swelling of joints, and deformity of joints occurs in some patients, it may be caused by rheumatoid arthritis, which is similar to rheumatoid arthritis and belongs to a kind of autoimmune disease. 4. Bone cancer: Bone cancer belongs to a kind of malignant tumor, and in early stage, there will be local pain, and some of them have pressure and pain, when the condition is serious, the pain will be aggravated gradually, and some of them will also have local swelling and other symptoms. 5. Bone metastases: when the patient has cancer in other organs, the spreading and metastasis of cancer cells may cause bone metastases, which may further cause pain in hands and feet. The pain in hands and feet can not be determined as which kind of disease, and it is necessary to go to the hospital in time to do the relevant examination and treatment according to the specific cause of the disease.