Food storage device and pet feeder

The utility model discloses a food storage device and a pet feeder, the food storage device comprises a main body, a desiccant box and a locking assembly, the main body defines a containing cavity used for storing food, and the cavity wall of the containing cavity defines a concave-convex area; the drying agent box is arranged in the containing cavity and comprises a shell, a plurality of vent holes are formed in the shell, one end of the shell is rotationally connected with the cavity wall of the containing cavity, the other end of the shell is movably connected with the concave-convex area, so that the shell has an opening position and a closing position, the concave-convex area is opened at the opening position, and the concave-convex area is closed at the closing position. The shell covers the concave-convex area to form a cavity in a surrounding mode, the cavity is used for containing a drying agent, and the vent holes are communicated with the cavity. The locking assembly comprises a first buckle and a