An application of Pyemotes zhonghuajia for preventing and treating Solenopsis invicta Buren infestation and a method for preventing and treating Solenopsis invicta Buren infestation. An experimental study found that the Pyemotes zhonghuajia provides improved prevention and control of the Solenopsis invicta Buren infestation, and can therefore be used in applications for preventing and controlling the Solenopsis invicta Buren and for manufacturing a pesticide against the Solenopsis invicta Buren. The invention provides a harmless biological control method against the Solenopsis invicta Buren.