The second national centralized purchasing of high-value medical consumables in the category of artificial joints was carried out on September 14, 2021 for the declaration of the centralized purchasing, the opening of bids, and the announcement of the winning results. The centralized volume purchasing of artificial joints is for the initial replacement of artificial total hip joints and the initial replacement of artificial total knee joints. The intended procurement volume of this centralized procurement is 90% of the procurement demand declared by the national medical institutions, and the total intended procurement volume of the hip joint product system for the first year is 305,542, and the total intended procurement volume of the knee joint product system for the first year is 231,976, and the total *** count is 537,518. In accordance with the requirements of the national collection and procurement, during the procurement cycle, medical institutions should give priority to the use of this artificial joint centralized volume purchasing selected product system, and ensure the completion of the agreed procurement volume.