Rotor-spinning is the most proven and widely-adopted spinning technology among various new-type spinning technologies.Compared with conventional ring-spinning technology, it has many advantages such as short spinning process, high production efficiency, wide adaptability to materials, labor-saving and lower production cost. Therefore, it is the developing trend of spinning technology to replace part of obsolete ring-spinning capacity with rotor-spinning technology. Rotor-spinning technology will develop towards high-speed, high-production, high-quality, intelligent, multi-blending of raw materials and diversified product variety. Along with the development of rotor-spinning technology, fiber materials for rotor-spinning purpose will develop towards diversification, mixed as well as comprehensive and rational application, yarn count from coarse to fine. In China, rotor-spinning machine is mainly used for spinning cotton-type yarn. Over the past few years, rotor-spinning enterprises have positively used various non-cotton materials to developed new-type yarn with certain features and functions, in an efforts to reducing the dependence on cotton and improving economic benefits.