Muscle pain in the elderly may be caused by strenuous activities or nerve compression as well as infectious diseases, or it may be caused by osteoporosis. 1. Strenuous activities: If the elderly have performed strenuous activities and overworked their bodies, there may be a phenomenon of lactic acid gathering in the muscles, resulting in symptoms of muscle pain; 2. Nerve compression: if the elderly suffer from lumbar disc herniation, the protruding lumbar disc for the stimulation of the nerves in the spinal canal or the nerve root, may also appear muscle pain symptoms, usually accompanied by numbness in the calves as well as walking difficulty symptoms; 3. Infectious diseases: If the elderly suffer from infectious diseases, such as colds and fevers, there are usually symptoms of generalized muscle pain; 4. Osteoporosis: the elderly due to older, decreased bone formation and increased bone resorption, easy to lead to osteoporosis, the main symptoms are fatigue, low back and generalized bone pain, usually also have spinal deformation, fracture and other symptoms, may also be accompanied by the phenomenon of muscle pain. Muscle pain in the elderly need to actively go to the regular hospital for relevant examinations to find out the specific causes, and then targeted treatment, usually have sufficient rest, diet should pay attention to balanced nutrition.