Her acting career began in the 1990s, with a minor role in the 1998 feature film If It Snows On Christmas.

She began to gain media attention in her native country in the mid-2000s when she played the role of Park Myung-suk in the dramatic film Secret Sunshine under the direction of filmmaker and novelist Lee Chang-dong and with her appearance in SBS's My Sweet Seoul TV series.

[3] At the end of the decade she appeared in the films Marine Boy by Yoon Jong-seok and Poetry by the aforementioned Lee Chang-dong.

[5] After her participation in Parasite, the actress was featured in the 2020 TV series A Piece of Your Mind, How to Buy a Friend, True Beauty and Birthcare Center,[6][7] in addition to playing the role of Seon-myeong in the comic feature film More Than Family alongside Krystal Jung and Choi Deok-moon.

[8][9] In 2021, she played the role of Court Lady Seo in MBC historical drama The Red Sleeve.