The invention relates to a pesticide detection cloud platform and an application method thereof. The pesticide detection cloud platform is characterized by comprising a central server side, a grower side communicating with the central server side, a detection platform side and a client side. The central server side comprises a controller module, a data storage and management module, a data processing module, a central data receiving module and a central data sending module. The grower end comprises a grower data receiving module, a grower data sending module and a data printing module. The detection platform end comprises a data input module, a data storage module, a detection center data receiving module and a detection center data sending module. The client comprises a data downloading module, a data scanning module and a data display module. According to the pesticide detection cloud platform, the detection center, the farmer households and the clients can be connected with one another, so that data can be communicated with one another, the quality safety of food is ensured, and the health of the clients is ensured.