Abstract: Nowadays, the popularity of dance is getting higher and higher,but there are few good works circulating in the world.This is the limitation of the art of dance.It is called performing art, which can bring good aesthetic experience to viewers.The dancer must achieve "physical and mental unity" in order to present a good work of body and mind blending.From the perspective of dance aesthetics, this paper probes into the problems of "monism of physical and mental" in dance noumenon and aesthetics, and analyzes its value and significance.The theory is applied to dance training, dance performance and dance aesthetics.It not only enables dancers to inject the soul of the works, but also meets the aesthetic needs of visitors to resonate.