Pesticide spraying device used for garden protection

The invention relates to a pesticide spraying device, specifically to a pesticide spraying device used for garden protection. The invention is to solve the technical problem of providing the pesticidespraying device used for garden protection to overcome disadvantages in the prior art, wherein the pesticide spraying device can spray a pesticide to protect garden seedlings in different distances,can adjust spraying angles for garden seedlings with different heights, and can avoid a worker from getting sunstroke caused by sun exposure during operation by sunshading. The pesticide spraying device used for garden protection provided by the invention comprises a mounting column, universal wheels, etc., wherein the front, rear, left and right sides of the bottom part of the mounting column arerespectively provided with a universal wheel. The pesticide spraying device provided by the invention can achieve the effects of spraying the pesticide to protect the garden seedlings in different distances, adjusting the spra