Han Yining's pay-as-you-go education does not meet the definition of pyramid selling. MLM usually refers to a business model with the main purpose of recruiting downline and making profits through continuous development of downline. However, Han Yining's education is an institution that provides education and training services, and its main business is to provide students with learning guidance and knowledge transfer. Han Yining's cash education is not aimed at recruiting offline employees, nor is it aimed at developing offline profits as the core operating mode. Therefore, it can be concluded that Han Yining's pay-as-you-go education is not pyramid schemes.