A basket and a stroller with the basket are disclosed. The stroller includes a frame, a seat and a basket. The seat is disposed on the frame, and the basket is connected to the frame and located under the seat. The basket includes a bottom, a front stopper, a rear stopper and two side stoppers. The front stopper, the rear stopper and the side stoppers are connected to a front side, a rear side, and left and right sides of the bottom respectively. By the movement of the rear stopper with respect to the bottom, the deformation of the rear stopper itself, or the detachable connection of the rear stopper to the bottom, an opening for objects to enter the basket is formed at a rear side of the basket.