In 2018, Shan Yichun participated in the recording of the interactive music variety show "I Want to Sing with You Season 3". In 2020, sang "Love That Never Lost Connection" on the first stage of "The Voice of China 2020" and won praise from the original singer; on November 12, participated in the theme of "Starry Sky Reading" "There are Poems and Far Away: Poems and Paintings Zhejiang Chapter" Evening party; November 17th, lead the sing of the 2022 Hangzhou Asian Games propaganda song "Asian Heroes"; November 20th, Shan Yichun won the annual championship of "The Voice of China 2020", thus entering the entertainment industry; November 25th, performance Sing the promotion song "A Love Letter to Filmmakers" from Zhang Yimou's movie "One Second"; on December 8, release the first solo single "Your Collection". On December 23, the second solo single "Photo" was released. On December 31, participated in the "Zhejiang Satellite TV 2021 New Year's Eve Party". On January 18, 2021, the third solo single "Dancing in the Night" was released.