She was born in Jeonju, South Korea. Originally her name was Kim Min-ji (김민지) but she legally changed it to Kim Tae-ha (김태하).
In 2009, she participated in the audition of the first season of competition show Superstar K. She also appeared on Mnet's Produce 101 as a trainee under Starship Entertainment. She ranked 50th place in episode 8 and was eliminated.
After Produce 101, she left Starship and joined Dublekick Company (now MLD Entertainment).
On November 30, 2019, MLD announced Taeha's departure from the group, with her exclusive contract with the agency terminated.
2020: YouTube channel
On July 23, 2020, Taeha uploaded the first video on her YouTube channel.
Reality survival shows
- Superstar K (Mnet, 2009) - contestant
- Produce 101 (Mnet, 2016) - contestant
- Asol - "Nothing" (2018)
- "Cross OST Part.5" ("I Need You and I Want You" with Ahin) (2018)