The utility model relates to an inclined plane roof greening system is including cultivation groove, net and control system, its characterized in that the cultivation groove set up in the roof both sides, the net setting on the sloping roof of both sides, the cultivation groove on be equipped with the shower, the spraying pipe connected water pump, the utility model discloses an inclined plane roof greening system extensively is applicable to the greening engineering of sloping roof, have beautify the environment, air -purifying, lowering the temperature's effect, be applicable to the development demand of modern society.