Guoguo Hong's real name is Chen Su, while Paopao Lu's real name is Gary. Hong and Paopao Lu are famous hosts of CCTV Children's Channel. They are well known to the audience for hosting the program "The Tree of Knowledge". They not only formed a tacit partner in the program, but also became husband and wife because they worked and lived together. In 2000, he served as the host of children's channel of Tianjin TV Station. Since 2003, he has hosted the educational and entertainment program "Tree of Wisdom" of CCTV Children's Channel. In 2008, he served as the host of the early education program "Wisdom Little Tree" of CCTV Children's Channel. 201010/Gary married Chen Su, the host of CCTV Children's Channel [17]. 20 12, dubbed animated film Sami Adventure [3]. In 20 13, he won the golden microphone award of the year of China broadcasting host [4]. 20 14 dubbing animated film "the secret plan of the new big head son and small head father" In 2020, he began to be the host of the children's talent show "Extraordinary 6+ 1" on CCTV Variety Channel.