Pain at the base of the thumb is very common in middle-aged and elderly people, and is a common hand discomfort in 65-year-old people, because the function of the thumb accounts for 40% of the hand function, so pain at the base of the thumb seriously affects hand function and quality of life, in which the first carpometacarpal arthritis is a common cause of pain at the base of the thumb, the cause of rheumatism, rheumatoid and other specific pathogenic factors, but more primary, with osteoarthritis is the most common, Peking University Shenzhen Hospital Hand and Microsurgery Zhou Hammer severe first carpometacarpal arthritis requires surgical treatment, using the preferred surgical procedure is mostly angular bone resection tendon filling arthroplasty. The author studied the technology in the United States, the clinical results are remarkable, and we recommend the specialist clinic to consult