There are several possible causes of foot pain in the elderly: first, gout, gout can often appear in the joints of the foot pain, serious cases will have skin redness and swelling, increased skin temperature and the formation of gout stones, then the blood uric acid test for diagnosis and treatment; second, heel pain, if the foot heel pain, often due to kidney deficiency or plantar fasciitis, plantar bone spurs, then the relevant examination and X-ray examination, after diagnosis and treatment; third, tumor, if the foot bone or soft tissue tumor, can also appear foot pain, then the relevant foot X-ray, nuclear magnetic examination, then the corresponding treatment; third, tumor, if the foot bone or soft tissue tumor, also can appear foot pain, then the foot X-ray, nuclear magnetic examination, then the relevant treatment. Third, tumor, if the foot bone or soft tissue tumor, can also appear foot pain, then the relevant foot X-ray, nuclear magnetic examination for diagnosis; fourth, tuberculosis, if there is tuberculosis, can also appear foot pain, often accompanied by skin redness, swelling, skin temperature increased, then the blood tests and relevant foot X-ray, nuclear magnetic examination for diagnosis and treatment. In this case, blood tests and relevant foot x-ray and MRI should be performed for diagnosis and treatment.