[4][5] Ya Hui was offered a contract with Mediacorp after the Star Search contest, a large-scale TV talent scouting competition in Singapore, in 2007.

Shortly after, Ya Hui was chosen as the face for the TVC of beverages brand Heaven and Earth.

She also landed a supporting role in the long-running drama series, Love Blossoms II as Tao Wen Zhu, acting alongside seasoned actors Ivy Lee and Zheng Geping.

[7] In September 2015, she completed filming the long-running 255-episode television drama series, 118, which aired weekdays on Mediacorp Channel 8.

[12] On 24 September 2015, Ya Hui was taken to the hospital after experiencing vomiting, possibly due to food poisoning.