Tsai graduated from Department of Drama and Theatre, National Taiwan University. She became a performance guide in 2018 movie "Killed by Rock and Roll". When she was a college student, she was discovered to lead in a movie "Heavy Craving". Then she won the Best New Talent at 2019 Taipei Film Festival.

蔡嘉茵 , Money Cai , Jia-Yin Tsai , Jia-Yin Cai