Limb external fixing device

The utility model discloses a limb external fixing device which comprises two sets of arc-shaped plates which are symmetrically arranged in a pairwise mode, the two sets of arc-shaped plates are provided with fixing devices facilitating fixing of fractured legs of a patient, each fixing device comprises a sliding rod connected to the corresponding arc-shaped plate in a sliding mode, and one end of each sliding rod is provided with a fixing plate. An arc-shaped surface is arranged on the fixing plate, and a protective sponge is arranged on the arc-shaped surface. According to the outer limb fixing frame, the sliding rod, the fixing plate and other components are arranged, so that a fixing device convenient for fixing the fractured leg of a patient is formed, and the fixing device fixes the fractured leg of the patient through the telescopic assembly and the connecting assembly, so that the fractured leg is effectively supported and protected; meanwhile, the fractured legs are fixed, so that medical examination