The invention discloses a garden sprayer which comprises a spray head and a shell.A storage battery is arranged at the right end of an inner cavity of a supporting seat, and a drawer is arranged at the left end of the inner cavity of the supporting seat.A popup button is arranged at the middle end of the outer surface of the drawer, supporting legs are arranged at the bottom of the outer surface of the supporting seat, rollers are arranged at the bottoms of the outer surfaces of the supporting legs, and a handle is arranged on the right side of the outer surface of the supporting seat.The shell is arranged at the top of the outer surface of the supporting seat, a high pressure water pump is arranged at the left end of the bottom of an inner cavity of the shell and connected with the handle through a pipeline, the handle is connected with a spray rod through a movable joint, a spray head is arranged at the top of the outer surface of the spray rod, a heating pipe is arranged at the left end of the top of the inner cavity of the shell, and a feeding opening is formed in the right end of the top of the outer surface of the shell.The garden sprayer is provided with stirring blades, and therefore powder and water in the shell can be fully mixed, the normal function of the pesticide effect is guaranteed, and the kill rate on pests in a garden is increased.