The utility model discloses a kind of spraying devices for agricultural planting, it includes vehicle plate, the vehicle plate is provided with spraying water tank, both sides of the spraying water tank are equipped with spraying structure, and the spraying water tank is connected with supply water tank;Spraying structure includes a section of
pipe, first hinged member, second hinged member, second section of
pipe, connecting hose, third hinged member, third section of
pipe and spraying
nozzle, the section of pipe is located in the side of spraying water tank and is connected by first hinged member, the section of pipe is equipped with second hinged member and is connected with second section of pipe, the second section of pipe is equipped with third hinged member and is connected with third section of pipe, and connecting hose is connected between the section of pipe and second section of pipe and between second section of pipe and third section of pipe. The utility model is flexibly unfolded by the section of pipe, second section of pipe and third section of pipe, realize the flexible adjustment of spraying area, and then can adjust the area of spraying according to the specific width of planting
ridge, reduce the limitation of spraying.