Abstract: The orchard sprayers which transport the droplets to target using air stream of blower can increase the deposit of chemicals on the target to 30% with the air assistance, because the small droplets can land the positive and negative surface of leaves with blowing of air stream. The deposition and distribution of droplets on the leaf is affected by the sprayer wind velocity of blower which is determined by wind capacity of orchard sprayer's blower. Therefore, sprayer wind capacity in the tree canopy determine the wind velocity. The different sprayer wind velocity that affects the deposition and distribution of droplets were discussed through changing the wind capacity, and the correlation between wind velocity and rift, deposition was present.