Abstract: Through three years of practical application of technology project，which is‘application demonstration of facility agriculture ecological environment physical control key technology’，in facilities agriculture park of Wuqing district in Tianjin city，best technology route and implementation method of application of high and materialized new technology，such as electricity，sound and light，in agricultural facilities were explored.Application effect comparison of key mechanization technologies，which were prevention and growth-promoting system of space electric field，carbon dioxide air fertilizer，sonic fueling，and electronic insecticidal，in growth，disease resistance，yield and qualitative were introduced.Application of physical facility agriculture ecological environment control key technology was one of the effective ways to improve ecological environment，and promote farmers′ income.It was worthy of promotion.