The invention discloses an environment-friendly agricultural machine for greenhouses. The environment-friendly agricultural machine is characterized in that an operating rod is inserted in the top of a power output device, a support base is fixed to the left side of the power output device, a seat is arranged on the top of the support base by the aid of support blocks, a steering wheel is arranged at the bottom of the support base, an exhaust pipe is inserted in the bottom of the power output device, caterpillar chassis is connected to the bottom of the power output device, a lifting table is arranged on the top of the caterpillar chassis, lifting arms are mounted on the top of the lifting table, the other end of each lifting arm is fixed to the bottom of a material hopper, an end of the exhaust pipe is inserted in an inner cavity of a silencing barrel, the inner cavity of the silencing barrel is provided with an air inlet pipe and a U-shaped pipe, silencing partition plates respectively sleeve the outer wall of the air inlet pipe and the outer wall of the U-shaped pipe, and an air outlet core jacket sleeves an air outlet end of the U-shaped pipe. The environment-friendly agricultural machine for the greenhouses has the advantages of simplicity in operation, environmental friendliness and practicality.