It is a lie for Yaya to sell jewelry live in Pinduoduo. According to relevant public information, Pinduo Live Yaya has no official authorization to sell jewelry, and the jewelry it sells has no relevant testing qualifications, so it is not genuine or fake. Pinduoduo is a social shopping website focusing on group buying. By initiating group buying with friends, family and neighbors, users can buy high-quality goods at lower prices.