According to the online real name report, Song Yifu, whose real name is Song Jun, was born on March 20 10/972, 13. He is 42 years old and comes from Changchun. His major is auto repair, and he studied in Changchun 89 Middle School. Song Yifu has only one dietitian qualification certificate. In order to package Song Yifu, Chen Xiao sponsored the Tsinghua University Public Health Research Center, and Song Yifu was awarded the title of course teacher and project researcher, and the director of People's Daily Health Times. He publicized in illegal advertising programs and various occasions, using these identities to confuse middle-aged and elderly people and buy their health care products.

Yu Yang, whose real name is Liu Dan, was born in1June 1980+1September 19801October. She graduated from Changchun Normal University and is now 34 years old. Both of them have not received any medical education and medical professional knowledge, but only obtained the qualification certificate of dietitian.