This paper analyzes and discusses the technical progress and product development of rotor spinning, the technical progress and product application field expansion of air-jet vortex spinning, the development of new ring spinning yarn with innovative technology, mainly including the technology and application of rotor spinning double combing roller, the expansion of rotor spinning to the production of high count yarn, the development of color spinning and fancy yarn with rotor spinning technology, and the technology progress of domestic rotor spinning Step and development of air-jet vortex spinning technology, optimization of air-jet vortex spinning technology, development of air-jet vortex yarn varieties, etc.