[1][2][3] Lee started her career as child actress in 1992 at her age 11 years old, and appeared on a lot of TV dramas like The King's Path (1998, MBC), Spread Your Dreams (1999, EBS), School 3 (2000, KBS), Sassy Girl Chun-hyang (2005, KBS), etc.

[6] In 2011, Lee appeared in the KBS historical drama Gwanggaeto, The Great Conqueror as Yak-yeon, stepdaughter of Ko Mu and later Queen of Goguryeo.

[7] In 2012, she appeared in the KBS drama special Disappearance of a Congressman and E-channel sitcom Firm Family.

[8][9] In 2013, she became a full-time professor of Seoul Arts College, and took on dual roles in the KBS drama special Mother's Island as a mysterious woman and ghost.

In 2018, Lee took on lead role in the SBS daily drama I Am the Mother Too.