Song Yifu is the guest speaker of Health 365, a course teacher and project researcher of Gongx Health Research Center in Tsinghua University, director china health care association, vice chairman of Sub-health Professional Committee of Chinese Medical Association, vice chairman of World Health Industry Management Federation, director of Health Times sponsored by People's Daily, a famous scholar of Chinese medicine culture, and a special health consultant and product research and development consultant of Nanjing Tongrentang.

Song Yifu, whose real name is Song Jun, was born in 1972, 13, and is 42 years old. He is 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, the boss, sponsored the Tsinghua University Public Health Research Center, and won the title of course teacher and project researcher for Song Yifu, as well as 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, is an employee of Centennial Kangcheng. She used to be a telephone operator. She was born in June 1980 10 and graduated from Changchun Normal University. She is 34 years old now. Both of them have not received any medical education and medical professional knowledge, but only obtained the qualification certificate of dietitian. They all sell health products to their own company, Centennial Kangcheng.