Abstract: A cash box provided with a till comprises a cash box, a till which can be slidably taken in and out of said cash box and is provided with an engage body on its rear end portion, a base plate fitted within said cash box, an electromagnetic means provided on said base plate, a frame plate on which, one end portion is provided with a projection and on which another end portion is connected with a movable rod of said electromagnetic means and rotatably supported by a shaft on said base plate, and a plate cam on which peripheral portion is provided with an engage groove and an engage projection and which is rotatably supported by a shaft on said base plate so that said engage body is engaged with and disengaged from said engage groove and said engage projection is engaged with and disengaged from said projection.