It takes two weeks for the swelling to subside after a hand fracture with appropriate brake rest. In the early stage of fracture, local tissue damage, bleeding, congestion, edema and inflammatory cell infiltration will occur, tissue tension will increase, local swelling will occur, and increased tension and swelling will restrict blood return, which will aggravate local swelling and increased tension, and this vicious circle will occur in the early stage of fracture. This vicious cycle occurs in the early stage of the fracture. The bleeding gradually stops, the swelling gradually decreases, the blood return gradually restores, the hematoma gradually mechanizes, and the swelling decreases, which takes about two weeks, that is, it takes two weeks for the local hematoma to absorb and dissipate. In the early stage of fracture is the period of hematoma mechanization and evolution, which lasts for two weeks, which just confirms that the swelling can be reduced only about two weeks after the fracture.