Liftable infant protection bed

The utility model discloses a liftable infant protection bed which comprises a bed body, the lower side wall of the bed body is fixedly connected with a base through a plurality of supports, a limiting mechanism is arranged in the base, the lower side wall of the bed body is fixedly connected with a double-shaft motor, the tail ends of two output shafts of the double-shaft motor are both fixedly connected with threaded rods, and the threaded rods are fixedly connected with threaded rods. The thread directions of the outer walls of the two threaded rods are opposite, the outer wall of each threaded rod is sleeved with a toothed plate slidably attached to the lower side wall of the bed body in a threaded mode, a lifting mechanism is arranged below each toothed plate, and each lifting mechanism comprises a first gear installed below the corresponding toothed plate and engaged with the corresponding toothed plate; a rotating shaft fixedly penetrates through the middle of the first gear. Through the lifting of the