A device (10) to counteract gastroesophageal reflux in babies, including a flat rigid support (12) and a supporting side covered with stuffing or a cushion (11). The device is attachable to a frame supplied with wheels, the supporting side of the rigid support being inclined at 70-90° to horizontal. The device includes a sling (13) coupled to the rigid support and fitted on the supporting side for placing and securing a baby (20) with his abdomen facing the cushion, in the space between the cushion and the sling. The sling includes a back rest (15) inclined in the same direction of the rigid support and whose upper extremity is higher than the upper extremity of the rigid support and the cushion.
