The sales model of Princess Du Fu 2022 is illegal. The market supervision department of Qixingguan District of Bijie City investigated the marketing model of Guizhou Mingyu Underwear Co., Ltd. selling health underwear "Princess Du Fu" according to the clues assigned by the superior network supervisor, which was suspected of pyramid selling. The parties in this case use WeChat official account platform to operate the "Princess Du Fu" brand package activity and sell the brand package through membership mechanism and agency mechanism. The number of members involved is 13890 1, and the places involved are production site, exhibition experience site, sales headquarters, etc. And each place involves a large number of people and has great influence.