Case storage device convenient to take

The case storage device comprises a cabinet body, a plurality of storage racks, a fixing plate, a mounting plate, a sliding plate and a contact plate, the rear end of the cabinet body is open and horizontally arranged in the left-right direction, the storage racks are arranged in the cabinet body at intervals in the up-down direction, the storage racks are all in sliding connection with the cabinet body, and the fixing plate is arranged on the mounting plate. A plurality of shelving assemblies are arranged in the cabinet body in the vertical direction at intervals, the shelving assemblies are located at the lower ends of the storage racks correspondingly and abut against the storage racks, the fixing plate is connected with the rear end of the cabinet body, a driving assembly is arranged on the fixing plate, and the mounting plate is located above the fixing plate and is in transmission connection with the driving assembly; the driving assembly drives the mounting plate to move in the vertical direction, a fi