The invention discloses a uterus fixing device for gynecological laparoscopic surgery. The uterus fixing device comprises a fixing assembly for fixing the outer wall of the fundus of uterus, an operating rod for controlling the fixing assembly and a support for supporting the operating rod, wherein the fixing assembly is provided with a mounting seat; the operating rod comprises an operating handle and a connecting rod, a mounting block is arranged at one end of the connecting rod and movably connected with the connecting rod through a ball joint, and the mounting block is connected with the mounting seat; the fixing assembly comprises a positioning disc and a plurality of grasping accessories uniformly distributed on the positioning disc, and the positioning disc covers the outer wall of the fundus of uterus, is arranged in a cambered surface shape and is of a telescopic structure; the mounting seat is arranged at the center of the side, opposite to the grasping accessories, of the positioning disc. The position of the fundus of uterus is kept in an expanded state by arranging a plurality of points of strength, the moving direction of the fundus of uterus is better controlled during moving, the uterus fixing device is fixed through the fundus of uterus and is prevented from penetrating through the cervix, and uterus perforation, especially the risk of tumor diffusion caused by uterus lifter compression can be reduced.