The invention provides an automatic collecting-returning accommodation device, which comprises a limiting seat, a positioning platform, a positioning post, a positioning bearing, a supporting plate, a leveling bearing, a baseplate, a lead-screw module, a leveling substrate, a substrate, a motor a, a fixed plate, a guide rail, a return spring, a plurality of sensor substrates, a plurality of sensors, a lead-screw sliding block, a sensing piece a, a sensor system, a tray, an oblong hole, an accommodation table, an anti-flying baffle plate, a lifting basket, a motor b, an accommodation substrate, an accommodation frame table, a guiding shaft, a linear bearing, a lead screw, a sensing piece b, a lead-screw nut and a transmission part. The automatic collecting-returning accommodation device can be used for realizing the automatic collection for an empty packing box on the tray and returning the filled packing box onto the tray without manual operation in the process. In addition, the running position of the tray is monitored by the sensor system, so that the accurate positioning for the tray is realized.