The invention provides a residual film picking and recycling machine which comprises a rack (10) and a transmission device and is characterized in that the rack (10) is at least provided with an impurity clearing mechanism (8), a picking mechanism and a film removal mechanism (5); the impurity clearing mechanism (8) comprises an impurity clearing roller (8-2); the impurity clearing roller (8-2) rotates through an impurity clearing roller shaft (8-4); impurity clearing teeth (8-3) are arranged on the surface of the impurity clearing roller (8-2); the impurity clearing teeth (8-3) extend outward along the radial direction of the impurity clearing roller (8-2); the film removal mechanism (5) comprises a protective cover (5-1); and one side of the protective cover (5-1) is articulated with the rack (10) through a protective cover articulation shaft (14), and a limiting spring (4) and a limiting slider (4-1) are arranged between the other side and the rack (10). Compared with the prior art, the residual film picking and recycling machine provided by the invention has the characteristics of simple structure, high working efficiency, saving of using cost and the like.