The invention relates to a rehabilitation bed, in particular to a rehabilitation bed special for an elbow in orthopedic department. The invention aims at providing the rehabilitation bed special for the elbow in the orthopedic department, which can save time, does not need medical workers to move legs of an orthopaedics patient and can reduce the workload. The technical scheme is that the rehabilitation bed special for the elbow in the orthopedic department comprises a bed board, supporting legs, a sliding rod, sliding sleeves, a limiting block, an arc-shaped rod, a pedal, a hollow casing pipe, a connecting rod, a fastening bolt, a rack, a first spring, a mounting plate and the like, wherein two supporting legs are respectively connected to the left side and the right side of the bottom ofthe bed board; a through groove is formed in the right part of the bed board; the sliding rod is arranged at the upper part between the two supporting legs on the front side; two sliding sleeves arearranged on the sliding rod in a sliding manner. According to the rehabilitation bed disclosed by the invention, the orthopaedics patient continuously rightward pushes the pedal with feet to drive theelbow of the orthopaedics patient to vertically swing, therefore, the operation of moving the elbow of the orthopaedics patient by the medical workers is avoided, and further the time can be saved.