none Entered To reduce the damage of Myzus persicae, and application of pesticide for protection the ecological environment, rearing and releasing Aphidius gifuensis was been researched for 17 years in Yunnan Tobacco Company, China. This paper elaborated the development and application, mass rearing and releasing technology of Aphidius gifuensis to control M persicae. The benefit of application this technology was evaluated, including control effect of M. persicae, cost of pesticide application, cost of rearing and releasing A. gifuensis, and publicity recognization. The results showed that application of A. gifuensis could obviously control populations of M. persicae, and played a positive role in improving agricultural products quality, safety and the ecological environment. This paper also discussed the prospects and challenges of this technology. Feb 2015