At present, many interviewers in large companies need to be trained at the company headquarters before joining the company, and it is impossible to confirm whether the other party is a pyramid scheme. Many industries have to go to the headquarters for training. If you collect fees such as ID cards on the way, it may be pyramid schemes.

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.