#$%^&*AU2016101699B420161208.pdf#####Abstract The present invention relates to the technical field of pesticides, and discloses a water dispersible granule of butroxydim and preparation method thereof. The water dispersible granule of the present invention comprises butroxydim, a dispersing agent, a wetting agent, a rheological agent, a chelating agent and a carrier. In the present invention, a water dispersible granule of butroxydim which can achieve better disintegrating property and suspending property in high concentration of hard water is prepared by adjusting the type of the auxiliaries in the water dispersible granule of butroxydim and using them in proper combination of adjuvants, and it is particularly suitable for countries and regions having higher water hardness.