Rachanun entered the entertainment industry after winning the Go On Girl Star Search by Clean & Clear in 2019. She went on to sign with
GMMTV and debuted in a guest role in the television series
Dark Blue Kiss (2019). In 2020, she began to gain recognition for her supporting role as Earn in
2gether: The Series, reprising her role in
Still 2gether (2020) and
2gether: The Movie (2021). She played her first lead role as Toon in the miniseries
The Comments (2021). She later went on to play various roles in several television series. In 2023, she had her first major film role in the
coming of age romance film My Precious, the Thai adaptation of the Taiwanese novel ''
by Giddens Ko, alongside her Midnight Series: Dirty Laundry costar Nanon Korapat. In the same year, she also received wider recognition for her leading role as Maki, an intelligent scholarship student who is known for her leadership in the 2023 suspense-horror television series Home School. After the success of Pluto,
their partnership continues with the romantic drama Girl Rules'' which was announced during "GMMTV2025: Riding The Wave" press conference, starring alongside
Milk Pansa,
Love Pattranite,
View Benyapa and
Mim Rattanawadee. During "GMMTV2026: Magic Vibes Maximized" press conference, it was announced that her and Namtan will star in an upcoming thriller drama
Her, as well as a supporting role in
Emi Thasorn and
Bonnie Pattraphus' upcoming romantic drama
Moon Shadow. == Filmography ==