The invention relates to the technical field of medical instruments, in particular to an exercise device facilitating postoperative self-care, and solves the problem that before leg nerves are repaired, upper limbs become the most important strength source of rehabilitation personnel, so that arm strength exercise is particularly important. Theexercise device comprises a bottom plate, a telescopic electric push rod is arranged in the bottom plate, a lifting plate is further arranged on the telescopic electric push rod, the telescopic electric push rod and the lifting plate are connected in a clamped mode through a locking block, a turning-over device is arranged on the lifting plate, and exercise devices are further arranged on the two sides of the bottom plate and connected with a intensity adjusting device. The rehabilitation personnel can independently train through the turning-over device, the turning-over device can warm up the arms of the rehabilitation personnel, muscle strain in the exercise process is prevented, the rehabilitation personnel change the exercise intensity through the intensity adjusting device in the exercise period, the exercise requirements of the rehabilitation personnel are met, and the muscle injury of constant strength training to a primary exerciser is prevented.