The invention relates to the technical field of medical nursing devices, and discloses a prematurely born infant incubator with the effect of aiding sleep. The incubator comprises a bottom plate, universal wheels are fixedly connected to the two sides of the bottom and are symmetrical about the axis of the bottom plate, a support column is fixedly connected to the top of the bottom plate, drawersare fixedly connected to the two sides of the support column, handles are fixedly connected to the middles of the front faces of the drawers, a support plate is fixedly connected to the top of the support column, pull handles are fixedly connected to the two sides of the support plate, and a console is fixedly connected to the top of the support plate. According to the prematurely born infant incubator with the effect of aiding sleep, by means of cooperation of a servo motor, a roller and a transmission groove, a crank block performs reciprocating motion in a vertical plane by taking a horizontal bar as a dot, a moving plate is driven to perform reciprocating motion, babies fall asleep in the slow rocking process, the effect of aiding sleep is achieved, and then the sleep quality of the babies is improved.