[1] He gained popularity after starring in the 2017 thriller film Nya which brought him wider recognition.

[4] Nyein Thaw made his acting debut with a main role in thriller film Nya (Night) which screened in Myanmar cinemas on 28 July 2017[5] and became one of the highest-grossing films in Myanmar[6] and positive reviews for his portrayal of the character.

In late 2018, he was cast in romantic drama Yin Kwin Shin Tann, where he played the main role with Hein Wai Yan, Aye Wutyi Thaung and Thun Sett, aired on Channel 9 on 28 May 2019.

[7] He then portrayed the male lead in thriller drama Ah Saung, alongside Su Htet Kahtay, Su Htat, Sao Yoon Waddy Oo and Phyo Pa Pa Htoo, aired on Fortune TV on 1 June 2019.

[8][9] In 2020, he was cast in a leading role in drama films Hnin Pwint Say Yar and Oo Tu Mhar Tae Saung.