Abstract: The pesticide reducing has been a key issue in pesticide areas in recent years. The use of nano-carrier technology to incorporate pesticides into nanoparticles provides a new route for solving the problem. Different from most nano-carrier technologies which are based on thermodynamic equilibrium self-assembly, the emerging Flash Nanoprecipitation (FNP) method is based on kinetic control, preparing nanoparticles through turbulent mixing of chemical engineering fluids. It has advantages like high drug loading efficiency, short preparation time (milliseconds), easy to scale-up and continuously production, etc. Moreover, it can also systematically control the microstructures of nanoparticles, such as morphology, internal structure and surface structure, which can provide help for further improving the efficiency and low-toxic utilization of pesticide nanoparticles.