The invention relates to the technical field of supermarket shelves, in particular to a shelf for supermarkets, comprising a bracket, the upper surface of the bracket is provided with a mounting frame, the mounting frames are arranged in an oblique shape, and a support rod is installed on the end of the mounting frame far away from the bracket , and the end of the support rod far away from the installation frame is connected to the bracket, the interior of the installation frame is also provided with a plurality of boxes, the bottom of the box is opened with a plurality of through holes, and the two symmetrical sides of the installation frame A first elongated hole is opened at the edge, fixing blocks are installed on the upper and lower sides of the first elongated hole, a fixing rod is installed between the two fixing blocks, and a housing is installed on the bottom of the installation frame. The invention is simple in structure and easy to use, not only convenient to spray water on fruits or vegetables to keep them fresh, thereby improving work efficiency, but also avoiding waste of water resources and improving the utilization efficiency of water resources.