With the speeding up of the popularization of globalization,all kinds of advanced technologies appear and improve constantly,it is commonly accepted that the 21st Century economic environment is very complicated.Therefore, enterprises need to adapt the main trend of economic globalization as soon as possible. Finally, the concepts of VUCA and CAS were known by more and more people.
First of all，CAS（Complex Adaptive Systems）the term complexity refers to the ’greater levels of uncertainty, ambiguity, interdependencies and interrelatedness that now characterise the environments in which organisations operate’(Clarke, 2013, p. 135)In complex adaptive systems, the whole is more complex than its parts, and more complicated and meaningful than the aggregate of its parts. （Wikipedia）What is more，VUCA (volatility 、Uncertainty、Complexity、Ambiguity) came from military and then was widely used in business companies ,educational enterprises and other areas as a new thought.