Abstract: In order to answer the call for cultivating the practical ability of Environment Science Major and the professional construction of urgently needed talent for Xinjiang Uygur Autonomous Region key industries, this paper analyzes the current condition of experimental teaching system of Environment Science of Kashi Normal University. It also puts forwards the reform and optimization model of the experimental course. The experimental courses, environmental projects, the teaching mode of the experiment course, experiment examination are all under reforming, to ensure the quality and effect of the experimental teaching, and promote the innovation and scientific research ability of the college students.