Abstract: Whole design，operation principle and key device of side of used plastic film collector machine was introduced，The machine used to different growth periods of crops，from the outside edge of 20 mm plastic film harvesting works.It was mainly composed of part，childseedling shield unit，cut film device，shovel，nail tooth film roll and so on.Test showed that the machine clean recovery rate was 94.25%，for followup manual or mechanical recycling of remnant plastic film to create better working conditions.Equipment is easy to operate，and has high reliability.