To begin with,the thesis makes am analysis of the current situation and the problems in college spoken English as an optional course at present.Then it explores the application of flipped classroom teaching mode in college English as an optional course based on websites from three aspects:activities before class,activities in class,and activities after class.It shows that the application of flipped classroom teaching mode is helpful to cultivate the independent learning ability and cooperative ability in teamwork for students,and increase their interests...