After retired from the international tournament, he works as badminton coach in Sichuan.

Xie and Guo have won the Polish International (2004), the China Masters (2005), and the India Open (2008) together.

They were quarter-finalists at 2007 BWF World Championships, and at the 2008 Beijing Olympics narrowly lost to the eventual gold medalists, Indonesia's Markis Kido and Hendra Setiawan, in the round of sixteen.

Xie is a member of China's world champion Thomas Cup (men's international) team.

At 1.88 meters and solidly built, he is one of the biggest men currently playing the game at the world level.