Insecticide spraying device applied to garden seedlings

The utility model discloses an insecticide spraying device applied to garden nursery stocks. Including a first support bar, one side of the first supporting rod is rotationally connected with a firstrotating rod and a second rotating rod in sequence; a locking device is arranged on one side of the second rotating rod; one side of the upper end of the first rotating rod and one side of the upper end of the second rotating rod are jointly and rotationally connected with a second supporting rod. A notch is formed in one end of the second supporting rod, a plurality of supporting blocks are fixedto one side of the second supporting rod at equal intervals, a connecting pipe is fixed to one side of the first supporting rod, a valve is connected to the connecting pipe, and one side of the valveis fixed to one side of the first supporting rod. By improving the prior art, the labor intensity during single-hand spraying is reduced, the length of the device and the angle of the spray head areconvenient to adjust, and un