The invention discloses a rehabilitation sleep aid device for neurosurgery, which comprises a fixing seat, a cavity is opened inside the fixing seat, a motor is arranged on one side of the fixing seat, and a first screw rod is arranged at the output end of the motor. The first screw goes through the first movable plate, and the number of the first movable plate is set to two. In the present invention, the symmetrically arranged threads on the outer surface of the first screw drive the two first movable plates to move inwards or outwards at the same time, which facilitates the adjustment of the height of the pillow, slides the drawer through the chute, and places sleep-aiding herbal medicine through the drawer. When the patient is resting, he can smell the smell of herbs, which improves the effect of sleep aid. The positioning block slides through the first vertical groove inside the vertical block, and at the same time, the positioning block cooperates with the first shock-absorbing spring to improve the shock-absorbing performance of the device. , The comfort is enhanced, the positioning block drives the pillow board, the pillow board drives the sponge pillow, and the sponge pillow cooperates with the pillowcase, which is convenient for the user to replace the pillowcase regularly, and the cleaning performance of the device is improved.