Lu Han and Ren Jialun are not the same trainees.

1. In 2008, Lu Han went to South Korea to study. While shopping in Myeongdong, he was discovered by a scout from South Korea's SM Entertainment. In 2010, he signed a contract to become its trainee.

2. Ren Jialun, whose original name is Ren Guochao, was originally a national second-level athlete. Due to injury, he did not continue on the sports path and went to South Korea to be a trainee in 2011.