Warehousing combined tray

The utility model relates to a storage combined tray which comprises a placing plate, grid-shaped surrounding plates which are vertically placed are arranged on the peripheral face of the upper portion of the placing plate, the surrounding plates comprise first surrounding plates arranged at the front end and the rear end of the placing plate and second surrounding plates arranged at the left end and the right end of the placing plate, and a plurality of connecting blocks are arranged on the peripheral face of the side face of the placing plate. The left end and the right end of the side face of each containing plate are each provided with two connecting plates, horizontally-placed pin shaft sleeves are arranged above the connecting plates, pin shafts are arranged on the coamings, the ends, close to the coamings, of the pin shafts are fixedly connected with the coamings, and lock catch devices matched with the coamings and used for connecting the coamings on the peripheral faces are arranged at the top ends o