The invention discloses a ridging shaping environment-friendly mulching film laying machine. The machine comprises a machine frame, a rotary tillage device is arranged at the front lower part of the machine frame, a gearbox is installed at the part, located behind the rotary tillage device, of the machine frame, the rotary tillage device is installed below the gearbox through a rotary tillage shaft, and a clutch handle is arranged at the upper part of the gearbox; and a film laying device is installed at the part, located behind a shaping device, of the machine frame, earthing shovels are installed at the part, located behind the film laying device, of the machine frame, and the earthing shovels are located on the outer side of the film laying device. According to the ridging shaping environment-friendly mulching film laying machine disclosed by the invention, rotary tillage knives, spiral ridging knives and ditching knives are all installed on the rotary tillage shaft, so that combined operation of rotary tillage and soil loosening at the bottom of ridges, taking and pushing of ridge type soil to the middle part by the spiral ridging knives, and ditching of film edge small ditchesby the ditching knives can be completed once, the structure of the machine tool is greatly simplified, and difficulty of manufacturing and processing and a failure rate of operation are reduced.