According to the inquiry and complaint through train, the first step is pyramid schemes or fraud organizations. MLM refers to the behavior that organizers or managers develop personnel to calculate and pay remuneration to the developed personnel on the basis of the number of personnel or sales performance directly or indirectly developed by them, or to ask the developed personnel to obtain the qualification to join on the condition of paying a certain fee, so as to seek illegal interests, disrupt economic order and affect social stability.