Fractures of the distal radius are the most common fractures. Severe intra-articular comminuted fractures resulting from a high-energy injury are by far the most difficult type of wrist fracture to manage. The current treatment of distal radius fractures is mainly by closed reduction, external fixation in plaster or internal fixation by incision and reduction. However, for severely comminuted fractures, if coupled with elderly patients with osteoporosis, the above-mentioned methods do not achieve satisfactory results. Although wrist arthroscopy is an invasive method, with the development and updating of small arthroscopic instruments, the invention of small electric planing devices and special instruments, etc., wrist arthroscopy has expanded from a general examination technique to a new technique with both diagnosis and treatment. For intra-articular wrist fractures, wrist arthroscopy has the following functions: 1) direct observation of intra-articular fracture repositioning and fixation; 2) removal of intra-articular bone and cartilage fragments; 3) examination of the integrity of intra-articular ligaments and triangular fibrocartilage complexes, and striving for microscopic cleaning, repair or suturing. In the wrist arthroscopy technique assisted treatment of distal radius comminuted fracture, arthroscopy can directly observe the articular surface to anatomically reset the intra-articular fracture fragments and reduce the occurrence of traumatic osteoarthritis. It can also clarify whether it is accompanied by ligament, fibrocartilage or cartilage injury, give corresponding treatment, and reduce the incidence of wrist dysfunction and wrist instability after fracture healing.