Toe curvature is a normal phenomenon, according to each person’s toe foot shape is different, some people are the second toe to the fifth toe downward curvature, and the length of the second toe to the fifth toe is shorter than the length of the big toe. If the toe is bent after an injury, such as a sprain or fracture, you need to go to the hospital for treatment and take an oblique film of the foot to clarify the cause of the foot bend. If there is a fracture, if the effect of small splinting is not good, you can also consider the correction under surgery.