湖南师范大学
In 2008, Zhang auditioned for SM Entertainment at the company's global casting auditions in Changsha. At the time of the auditions, he was 16 years old and studying at the High School Attached to Hunan Normal University, where he was featured as an outstanding student for his achievements. After successfully passing the auditions, Zhang moved to South Korea for his idol training. In 2011, prior to his debut with Exo, he briefly worked with Shinee during their Shinee World Tour as Jonghyun's dance replacement.