Park made her entertainment debut in 2003 as a member of the idol group FUNNY.

[3][4] In 2016, Ha-na played the villainous and psychotic Jang Se-jin in the daily drama melodrama The Promise.

[5] After that, she appeared in the daily drama Still Loving You as the evil and spoiled heiress Kim Bit-na.

[6] In 2018, she began appearing as the protagonist Hong Se-yeon in Mysterious Personal Shopper.

[8] On February 11, 2025, FN Entertainment confirmed that Park would marry basketball coach Kim Tae-sul in June.