On July 23, 2004, the "Three-step Basic Theory" was published and taught in the training courses for teachers and referees in the city. Since then, the three-step walk has its own standard jumping method and complete theoretical system.
In August 2005, in order to fully display the achievements of China's national fitness campaign and provide more scientific fitness methods for the masses, the State Sports General Administration organized and launched the national excellent national fitness project selection activity.
On July 7th, 2007, Sanbu was approved by the national trademark, becoming the first fitness program (sports dance) with independent intellectual property rights in China.
In April 2008, China Sports Dance Federation brought three steps into the National Sports Dance Fitness Ballroom Dance Competition, becoming the only domestic and new ballroom dance in China.