In December 2001, he performed 26 performances of the Chinese original opera "Farewell Cambridge" at the Beijing People's Art Theater, playing the male protagonist Xu Zhimo in the play. In June 2002, he performed the Chinese original opera at the Beijing Youth Art Theater She successfully portrayed the character Jiao Daxing in "The Wilderness". In 2003, she was spotted by Jin Man and played the role of Fuzhigao in the large-scale symphonic oratorio "Jiang Sister" in which she starred. It was a well-known cast. Dai Yuqiang, Fan Jingma, and Wei Song were all top tenors. They toured the north and south together, and could be consulted and observed at any time, which undoubtedly benefited Xue Haoyin a lot. In 2005, he participated in the symphony oratorio "The Sun Comes Out" as Guo Jianguang.

In November 2005, more than 200 young singers from more than a dozen countries around the world participated in the Young Artists Opera Competition held at the Royal Opera House in Covent Garden, England. Xue Haoyin is the only Chinese player. After the preliminary rounds, semi-finals and finals, Xue Haoyin passed all the tests and finally became one of the four winners. After the competition, the Opera House signed a contract with the winner. Starting from August 2006, the Opera House will finance the award and invite the winner to study and work in the Institute, including the opportunity to perform in an opera.

On the evening of May 23, 2006, Xue Haoyin, a famous soloist from the China Broadcasting Art Troupe, was invited to hold a solo concert at the Art Institute. The solo concert opened with the beautiful melody of the Italian lyric song "My Darling". His singing led people into the paradise of music. His singing styles cover Italian and German art songs, opera arias and folk songs from various countries, and he sang 15 songs in total. The audience was amazed by the sincere singing and exquisite artistic expression. The concert ended successfully with the singing of "Nessun Dorma".