A tablet computer supporting device with a function of receiving bag, wherein the present invention is not only as used for supporting an object, but also it can use as a receiving bag. The support has a face plate including a second plate (Y) at an upper side of the face plate and a support plate at a lower side thereof; a back plate being a bag. In combination of the face plate and the back plate, only a second plate of the face plate is secured to an upper portion of the upper plate of the back plate; and the bag in the back plate serves to receive an object; and the first plate is able to be bent to cover the second plate to be as a cover so that the bag can be carried easily.