Abstract: Improvement of society and economy has provided impetus to development of livestock and poultry breeding industry in our country，environment of livestock and poultry house plays an important role in healthy growth of livestock and poultry.Some problems have appeared in livestock and poultry environment，through electric purification treatment，spraying，heating and other technologies could effectively eliminate harmful substances in livestock and poultry environment，and internal environment temperature and humidity of livestock and poultry were well controlled，thereby contributing to enhancement of livestock and poultry environmental quality.Based on principle of application of environmental livestock poultry house，livestock poultry house environmental quality control technology was analyzed.