The utility model discloses a garden spraying device, it includes bottom plate and the fixed medicine storage tank who sets up in the bottom plate upper end, medicine storage tank's top is equipped with one and is down the trapezoidal medicine mouth that adds, be equipped with a pushing hands on the bottom plate, the lower extreme of bottom plate is equipped with the gyro wheel that is used for the mobile device, and the removal front end of bottom plate is equipped with the device of whistleing, be equipped with the pesticide spraying pump who is connected with medicine storage tank on the bottom plate, pesticide spraying pump is last to be connected with one and to spout medicine portion, it includes a longitudinal extension pole and the horizontal pole that communicates through rotary part and telescopic link to spout medicine portion, be equipped with a shower on the horizontal pole, be equipped with a plurality of atomizer on the shower. This garden spraying device spraying is effectual, sprays the wide range, atomizer compares with the backpack, and the device has reduced workman's labor load, has improved work efficiency, and the removal front end of bottom plate is equipped with the device of whistleing for remind near the liquid medicine spraying work in gardens now of visitor, make the visitor in time leave, potential safety hazard that the liquid medicine avoiding spraying brought the visitor.