[4][6] Prior to his debut on Super-Vocal, Cai has participated in Shanghai Conservatory of Music production of Don Giovanni, Così fan tutte, Carmina Burana, etc.

[1][2][9] In February 2019, he was invited to participate in Hunan TV singing competition Singer together with other finalists from Super-Vocal and achieved the third place in the Final.

In the same month, on the 25th Anniversary of Riverdance, Cai released a Mandarin version of the show's principle song Lift The Wings feat.

In June 2021, Cai performed in large scale epic The Great Journey in celebration of the 100th Anniversary of the Chinese Communist Party.

[citation needed] In May 2023, Cai played Alfredo in the opera La Traviata co-produced by Shanghai Conservatory of Music and Theatre Kiel with Zhang Jiemin conducting.

In October 2023, Cai made his debut at National Centre for the Performing Arts as Camille de Rosillon in The Merry Widow under the baton of Thomas Rösner.

In the same month, he also played Alfred in Die Fledermaus produced by National Centre for the Performing Arts under the baton of Marc Minkowski.