[4] Lee joined Jeonbuk Hyundai Motors in 2014 and made his debut in the 2014 AFC Champions League match against Yokohama F. Marinos on 26 February.

[5] Choi Kang-hee, the manager of Jeonbuk at the time, praised his ability which kept balance about attack and defense of team, and actively used him, the newcomer.

[10] He played his first game against Hamburger SV on 4 August, and was named the player of the matchday by leaving a deep impression on kicker with two assists.

[18] Lee was named the player of the 22nd matchweek by kicker after dominating Borussia Mönchengladbach including a goal and an assist on 24 February 2023.

[24] Lee was named in South Korea's squad for the 2018 FIFA World Cup,[25] and played all three games in the group stage.

He preferred passing in a fast tempo to carrying, and had a high work rate to preoccupy suitable spots.