MLM refers to the illegal behavior that organizers and developers calculate and pay remuneration to the developed personnel on the basis of the number or performance of the directly or indirectly developed personnel, or require the developed personnel to obtain the qualification to join on the condition of paying a certain fee. MLM usually has a strict hierarchy, also known as three-level and five-level distribution. Want to see if he is a pyramid scheme and see if his hierarchical relationship is above level 3? Is the profit model based on the membership fee paid by subordinates? Unlimited discovery members?