The utility model relates to an intelligence automatic sorting weighing device draws a packet section follow dextrad left side to splice in proper order by system's letter sorting section, system's section of weighing, system and constitutes, the system draws packet edge of section both sides to have photoelectric switch and organizes I, and the edge of the system section of weighing both sides has length measurement's photoelectric switch group, and the edge of system letter sorting section both sides has reads a yard photoelectric switch who a scans group, the support edge of system's section of weighing has the II of photoelectric switch group, a shelf location survey side display of packet section draws in the system, and the system letter sorting section outside has unpowered roller or universal wheel, and the strain force sensor is do not installed in the system's section of weighing bottom four corners position punishment. The utility model discloses a strain force sensing technology fast ripe weigh with bluetooth cargo weight, mail to information direct reaction computers such as address, time, only need the one man operation, improved work efficiency, practiced thrift personnel's cost, through setting up the sectional type device, can accomplish data acquisition, weigh, a series of actions such as the side of survey.