Toe bending is commonly caused by congenital development factors, trauma without timely treatment, rheumatoid arthritis, unsuitable shoes, etc., as follows: First, congenital development factors caused by toe bending. Second, trauma caused by toe fracture, dislocation, without timely treatment, will cause toe bending deformity. Third, rheumatoid arthritis, rheumatoid arthritis acute attack, can cause joint dysfunction, toe bending. Among them, rheumatoid arthritis can cause serious damage to the entire joint function, joint flexion, deformity. Fourth, the patient usually wears shoes that are too narrow and too pointed, which can also cause the toe to bend. After the analysis of the above aspects, can clarify the cause of toe bending, timely diagnosis, timely treatment, can make the clinical symptoms of toe bending to a certain degree of relief, but usually difficult to completely cure. Patients should pay attention to the protection of the toe in ordinary life, to avoid trauma, if there are rheumatoid, rheumatoid arthritis patients, should promptly control the primary condition to avoid aggravation.