The distal end of the barrel-shaped deformity fracture is displaced to the radial side along with the hand, and the axis of the middle finger is not in the same plane as the axis of the radius. It is a unique deformity of the Coles fracture and is one of the most frequent fractures in the human body, accounting for 10% of all fractures, with the elderly and adults accounting for the majority. The cause is mostly due to indirect violence. The radius is transected at about 3.0 cm from the articular surface, and the distal fracture segment is displaced to the radial side on the orthopantomograph, which may be embedded with the proximal fracture segment, and the distance between the lower ulnar radial joint increases (separation). The lower radius joint surface tilt to the ulnar side is reduced, normally 20°~25°, and may be reduced to 5°~15° or even disappeared after fracture; on the lateral film, the distal radius is displaced to the dorsal side, and the joint surface tilt angle to the palmar side is reduced or disappeared, normally 10°~15°. 2.Bone imaging Bone imaging can diagnose bone tumor and bone metastasis 3-6 months earlier than X-ray examination, but it should be noted that this method is highly sensitive and low specificity.