The utility model provides a self -propelled fertilizing and seeding tectorial membrane all -in -one in greenhouse, which comprises a frame, be equipped with the operation handrail in the frame, in the past set gradually walking wheel, furrow opener, fertilizer injection unit, seeder, covering device, press wheel after to in the frame, hung the membrane device, pressure membrane apparatus, earthing bundle coil the device, operation handrail below position is rack -mounted press wheel, press wheel the place ahead position is equipped with the covering device, furrow opener top position is equipped with seeder and the fertilizer injection unit corresponding with the furrow opener, be equipped with the storage battery of supplying power mutually for the motor on the storage battery support, placing motor in the walking wheel in and in as the power supply through the storage battery, greatly reduced intensity of labour, improved operating efficiency, green and can once accomplish multinomial operations such as ditching, fertilization, seeding, earthing, suppression, tectorial membrane, reduced the operation number of times, overall structure is simple, the practicality is strong, makes the convenience, easily uses widely.