Abstract: Citrus reticulata Blanco is the pillar planting industry in this region, so the control of Lecaniumconic and other pests has become the basic premise to ensure the yield and the overall planting benefit. Through field experiments, this paper studied and demonstrated the effects of several common insecticides on the control of Citrus reticulata Blanco Lecaniumconic, so as to put forward specific suggestions for Citrus reticulata Blanco planting, optimize and adjust, and create a new pattern.