At age eleven, Kim was signed by SM Entertainment after his participation in the agency's the 6th Annual Starlight Casting System.
He attended Neunggok Elementary School, Nunggok Middle School, Hwasu High School and then transferred to Hanam High School.
He had released four Korean albums, four Japanese albums, thirty Japanese singles and several Korean singles during his first six years in the music industry as TVXQ.
– Yoochun was arrested on April 26th 2019, after being suspected of purchasing 1.5 grams of Philopon (a form of methamphetamine).
– Yoochun’s ideal type: Yoochun said he looks at the girl’s face first although his parents have to first approve the girl before dating.
– He enlisted on November 19, 2015, on the same day as Super Junior’s Siwon.
– In 2015 Changmin participated in KBS’s show “Exciting India”, alongside Super Junior’s Kyuhyun, SHINee’s Minho, CNBLUE’s Jonghyun, INFINITE’s Sunggyu, and EXO’s Suho.