Lei decided to pursue an acting career after graduating from university, and made her debut in the horror anthology series ''''. She then made her feature film debut as the female lead, Kat, alongside
Berant Zhu's character Jim, a couple trying to reconnect during a
zombie apocalypse, in Rob Jabbaz's zombie film
The Sadness. while Jasneet Singh of
Collider commended Lei's "emotional performances" that evoke sympathy from the audience as they "witness the ordeal through [her character's] eyes". She also appeared as the younger version of 's character in the
SET series ''''. In 2023, Lei delivered a breakout performance in her starring role as Leena, an Indonesian caretaker appointed as a court translator for a fellow Indonesian accused of murder in the
PTS series ''
. She was cast three weeks before filming after the original Indonesian actress was unable to travel to Taiwan due to the COVID-19 pandemic, and Lei secured the role by auditioning while wearing a hijab. and practiced Muslim customs for a short period. Lu Hao-ping of Global Views Monthly described her acting as "perfect", making her "seem like an Indonesian migrant herself"; while The Storm Media ranked her performance as the second best among the ensemble cast based on audience responses. She was also nominated for Best Leading Actress in a Miniseries or Television Film in the 59th Golden Bell Awards with the role. and made her Korean debut with the U+ Mobile TV series Twelve. Lei studied Korean for a year and participated in auditions in South Korea to secure the role. Lei also would be starring in a romantic action film Wanted'' alongside
Shin Hyun-joon. == Filmography ==