Gondola unit display shelf is composed of inner shelf and outer shelf. It has the function of commodity display and inventory. Its structure is compact and solid, easy to install, and the connection of main and auxiliary shelves can not only save space, but also reduce cost. The firm performance is more stable than single group, and the storage capacity is greatly improved. The biggest characteristic of gondola unit display shelf is its strong practicability, strong bearing capacity and full use of space.