In the current social ecosystem, pesticides play a vital role in improving the yield and quality of crops. However, the wastewater generated in their production process poses great challenges to the environment, especially the pollution of soil and water sources, which not only seriously threatens the natural ecological balance, but also poses potential risks to human health. Therefore, it is necessary to choose a suitable water treatment method for pesticide removal. Next, through the wastewater treatment case of a large listed agrochemical company in my country, we will explain the efficient treatment process of agrochemical wastewater.