Cultivation of innovative talents is an important mission entrusted by the times to colleges and universities,and promoting the construction of ecological civilization is a sacred mission entrusted by the times to environmental majors.This study explored the construction of a new field experiment course,which is guided by practical environmental problems,supported by students'interests,based on independent research,and aimed at cultivating innovative ability and building ecological concepts.We integrate ideological and political elements,such as Xi Jinping Thought on Ecological Civilization,into experimental teaching.Students choose their own topics according to their interests,and design and conduct the experiment independently according to the given object.They need to carry out independent research and group reports on environmental problems of the actual water,air and sound.The teachers need to give comments and guidance on their group reports.Due to the independent research,students'interests have been significantly increased,and their scientific research quality,innovation ability and practical skills have been obviously improved.Moreover,their ecological civilization concept has been constructed.This course has received good feedback from the students.