The majority of cases of elbow dystocia in the elderly are due to various acute and chronic injuries. First, the most common cause is osteoarthritis. As we age, the elbow joint is affected by various acute and chronic injuries, resulting in osteophytes, joint degeneration, joint capsule hypertrophy, and ligament hypertrophy, which eventually leads to severe limitations in the function of the elbow joint and no way to straighten it. Secondly, the elbow joint can not be straightened in the elderly may also be caused by various nature of arthritis, such as gout, ankylosing spondylitis, rheumatism, rheumatoid arthritis, etc., as long as the invasion of the elbow joint, usually will lead to serious restrictions on joint function. Finally, it is also possible that strokes and cerebral infarcts are the cause of elbow dystocia in the elderly.