The caudal vertebrae are connected to the sacrum, at the tip of the buttocks, and as the bone degenerates with age, it basically has no special function, so there will be no serious consequences after the displacement of the caudal vertebrae. Of course, it also depends on the severity of the displacement, relatively light bed rest for a period of time, after good maintenance will not produce other special symptoms. A particularly obvious dislocation may cause dysfunctional bowel movements, but in this case, after the bone is restored to its original position through manual repositioning, the entire effect will basically be gone. However, if this state of the lesion is not well maintained, there may be symptoms of soreness and swelling and discomfort at the tip of the buttocks after sitting for a long time or on rainy or cloudy days, but it will not significantly affect walking on the ground.