Multipurpose sofa for children

The utility model relates to a sofa, in particular to a multipurpose sofa for children. The multipurpose sofa comprises a cushion, a backrest connected with the cushion and armrests located on the two sides of the cushion. The cushion, the backrest and the armrests are detachably connected, the cushion is an annular body, an inflatable stool is arranged in the cushion and is in clearance fit with the cushion, a canvas cushion detachably connected with the cushion is arranged at the position, matched with the inflatable stool, of the cushion, the backrest is formed by connecting two air bags through a connecting piece, plug-in buttons used for fixing the air bags when the air bags are folded are arranged at the joints of the two air bags respectively, and the cushion, the backrest, the armrests and the inflatable stool are each provided with an air inlet and an air outlet. The multipurpose sofa for children can be used as a swimming ring and a common sofa.