Xu was born in Fuzhou, China, and moved to Singapore to pursue his studies.

In 2014, he was nominated the Most Favourite On-screen Couple with Julie Tan in Star Awards 20.

On 3 November 2017, Xu and Evelyn Wang Yifei held their wedding ceremony in Singapore.

[3] Wang is a Beijing Film Academy graduate who chose to help in her family's property business instead of entering the entertainment industry.

[7] On 12 March 2021, Xu announced the birth of his second child, a daughter, named Elyse.