The invention discloses a packaging treatment method and device with convenient trousers transportation performance for garment production. The packaging treatment method and the treatment equipment are comprised. The treatment equipment comprises a bottom plate, and a vacuum packaging machine mounted at the top end of the bottom plate, wherein a rotary drum is mounted on one side of the vacuum packaging machine, a power disc is rotationally mounted on the surface of the rotary drum, four sets of multi-section extendable rods are mounted on the power disc, a four-axis robot is mounted at the top end of the side, away from the rotary drum, of bottom plate, an execution arm is mounted at the tail end of the four-axis robot, a folding rotary disc is mounted at the tail end of the execution arm, a folding clamping mechanism is fixedly mounted on the surface of the folding rotary disc, a rack is mounted at the top end, on one side of the four-axis robot, of the bottom plate, an upper film guiding mechanism is mounted on the surface of an assembling plate, and a lower film tensioning wheel is mounted on the surface of one side of the rack. According to the treatment equipment, by arranging a series of structures, trousers can be sleeved under the assistance of manpower and the like, folded and ironed by means of the robot and transferred to the position between an upper film and a lower film to be continuously conveyed, and then the vacuum packaging effect is achieved.