The utility model discloses a portable mulberries harvesting device is provided with first gasbag, second gasbag, third gasbag, and the independent annular gasbag of three -layer piles up and forms, has a perfect understanding in annular gasbag, flat, the round platform of thickening crack control with the zip fastener on the round platform top, passes through the zip fastener installation during use and dismantles, guarantees effectively that the device prevents gas leakage, can inflate quantity and adjusts outside height through adjusting annular gasbag simultaneously, accepted standard leak protection gas air cock can reach the effect that prevents gas leakage under back self gas pressure action is aerifyd to the gasbag, the round platform adopts the processing of flexible cloth to form, and the crack control is flat is connected for round platform bottom and thickening, folds when flexible material is convenient for not use, expandes convenient to carry during the use, the ribbon that can together tie up in the annular pipe uses, is favorable to adjusting annular pipe size according to upper and lower height of mulberry tree trunk length adjustment and trunk diameter, the zip fastener passes through lace loop shape gasbag, the flat and round platform of thickening crack control, and it is convenient to use, zip fastener the getting of after completion fruit that be favorable to gathering.