He started gaining recognition through his role as Sung No-eul in the Korean drama Reply 1988 (2015), a third installment of the Reply series by tvN.

[1] On January 18, 2022, it was confirmed that Choi decided to join Wide S Company.

In order to focus on his recovery his agency stated that he decided to leave the drama Mirror of the Witch.

In February 2017, it was revealed that his condition is continuously improving and that he will return through a stage play entitled Miracles of the Namiya General Store.

In July 2017, his agency revealed that he is completely healed.