Rainbow Couple was born in an ordinary peasant family in Chengdu, Sichuan. My husband's name is Guo Bin, and he is 28 years old. His wife's name is Sun Caihong and she is 3 1 year old this year. The couple are high school classmates. It is said that they have been together for 10 years, but they have only been married for 3 years. Shortly after marriage, Sun Rainbow gave birth to a little boy for Guo Bin.

In 2020, COVID-19 broke out all over the country, and Rainbow Couple began to broadcast live on Tik Tok. According to statistics, they broadcast live 3 15 a year and 30 days 12.