No, Dean Du Chunsheng is the trademark of Guangzhou Private Customization Technology Co., Ltd. Guangzhou Private Customization Technology Co., Ltd. is a technology promotion and application service organization approved by the industrial and commercial department and licensed according to law. Therefore, Dean Du's pure life is not a pyramid scheme. MLM refers to the behavior that organizers and developers illegally acquire wealth through developers or require the developed personnel to obtain the qualification to join on the condition of paying a certain fee.