Adjustable fixing device for hands operation

The utility model provides an adjustable fixing device for operations on hands, and the fixing device comprises a mounting plate surface and a finger fixing board. The fixing device is characterized in that the fixing device is provided with at least three strip-shaped finger fixing boards, one end of each fixing board is hinged with the mounting plate surface, wherein, pothooks are arranged on the circumambient lateral sides of the mounting plate surface, and configured elastic rubber rings are hung on the pothook of the mounting plate surface. The mounting plate is in a rectangle shape, and four adjustable footing screws are arranged on the lower part of four angles of the mounting plate surface to adjust the height or the grade of the mounting plate surface according to operation demands. The adjustable fixing device has the advantages of simple structure, firmness, and reliability and convenient use.