This paper introduces the concept, systematized design idea and design basis of the flipped classroom mode. An implementation scheme of the flipped classroom model is designed and applied to the teaching practice of theoretical mechanics. The flipped classroom mode can be efficiently utilized in the teaching of theoretical mechanics. The implementation of flipped classroom mode is not only beneficial to improving students' scores, but also conducive to improving their learning enthusiasm and cultivating their various comprehensive abilities such as self-learning ability, communication ability and team cooperation ability. The implementation of the flipped classroom mode is helpful to enhance teaching quality and promote talents cultivation quality.