No. 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. According to the inquiry, Yufuzhen refers to Yufuzhen Shijiazhuang Health Technology Co., Ltd., which was established in 2023 and located in Shijiazhuang City, Hebei Province. It is an enterprise mainly engaged in research and experimental development. It has a business license, no risk record, is a legally registered company in Shijiazhuang, has qualifications and relevant business licenses, is in a normal operating state, and the actual business content is consistent with the certificate. The products produced by the company are filed by Shijiazhuang Market Supervision Administration, and there is no illegal behavior that developers need to pay. So Yu Fuzhen is not a pyramid scheme.