The utility model discloses a goods-falling reminding device in driving of a truck, comprising pressure sensors and a display instrument, wherein the pressure sensor is arranged above each steel plate spring under a cross beam of the truck; the display instrument is arranged in a driving cab; and the pressure sensors and a driving circuit are respectively connected with a single chip microcomputer. The goods-falling reminding device disclosed by the utility model has the advantages that the structure is simple, the distribution is easy, the implementation is easy, and the condition that the goods falls in driving of the truck to leave unsafety factors to road traffic and cause economic loss simultaneously can be effectively prevented.