Ping Si", it is not a national standard dance, but a kind of ballroom dance. It is the initiative of teacher Yang Yi. Based on the vast number of dance lovers in China, he combined the cheerful rhythm of fast four with the tender and tender style of rumba dance. The product of a clever fusion of dance postures, the dance is very lively, casual, graceful and passionate. As long as the dance steps match the rhythm of the music well and the two of them work together in harmony, it is loved by everyone.