The advertisement of "Refusing Oil" hosted by Bing Lin, a well-known host, claimed to have lost 68kg in April, and was rated as "the most scientific and safest slimming product in the 20th century" by Professor He Xinhua, a slimming beauty expert in China. The person in charge of the association said that advertising is not allowed for weight loss products, which use the recovery period after pregnancy and childbirth as a means to hide people's eyes and ears. At this stage, the mother's weight will drop, not the slimming function boasted by oleophobic.