She made her acting debut in 2014 with a leading role in film Bae Kwel alongside Lu Min.

She then starred in her second film Ka Kyoe Twe Thwe Kar Yit Yar, where she played the lead role with Min Maw Kun and Nyi Htut Khaung.

In 2015, she starred in film A Htee Hmone alongside Min Maw Kun, was both a domestic hit, and led to increased recognition for Thun Sett.

[6][7][8] Thun Sett made her big-screen debut with Ma Yar Kyauk Ywar where she played the main role with Lu Min, Khant Sit, Nyi Htut Khaung, Soe Myat Thuzar and Khine Thin Kyi, which screened in Myanmar cinemas in 2017.

[9] In late 2018, she was cast in romantic drama Yin Khwin Shin Tan, where she played the main role with Hein Wai Yan, Nyein Thaw and Aye Wutyi Thaung, aired on Channel 9 on 28 May 2019.