Illegal. Rhododendron corset is suspected of pyramid selling, which is illegal. After receiving the Notice of Assigning Clues, the Market Supervision Bureau of Qixingguan District found that the marketing model of Guizhou Mingyu Underwear Co., Ltd. selling health underwear brand' Princess Du Fu' has the characteristics of entrance fee, eye-catching and team remuneration, and its business behavior is suspected of pyramid selling. After verification, the behavior of Guizhou Mingyu Underwear Co., Ltd. is suspected of violating the provisions of Article 7 of the MLM Prohibition Ordinance. On August 7th, Qixingguan District Market Supervision Bureau decided to file an investigation, so Du Fu Underwear Company broke the law.