Backed by his high school friend, An Chil-hyun, Jun Jin was able to make it through the audition as a member for Shinhwa.

He would still continue to sing small parts with the release of Shinhwa's later albums until the band switched to a different label, Good Entertainment.

Jun Jin soon released a single, "Sarangee Ohji Anayo" (Love Doesn't Come), thus starting his solo career.

Jun Jin starred in the hit 2004 KBS drama Forbidden Love in 2004, alongside popular actress Kim Tae-hee.

In December 2006, Jun Jin was hospitalised; although recommended to stay in the hospital, he quickly left and returned to his promotional schedule.

[3] In mid-2007, Jun Jin left his group's management company and set up his own call JF Story Entertainment[4] to concentrate on his solo career more.

[6] Jun Jin appeared variety programme Infinite Challenge firstly in April 2008 as a replacement for Haha, officially known as 'the 7th member' in June 2008.

[10] In March 2012, Jun Jin played the male lead in the music video of "U.F.O" by girl group Stellar, who is produced by bandmate Eric, under his agency Top Class Entertainment.

[18] Ahead of 2012 Shinhwa Grand Tour in Guangzhou: The Return on 30 June, he had microscopic nerve decompression surgery on a lumbar disc from chronic back pain.

[19][20] Due to the surgery he was absent from the recording of episode 17, "School Channel: God of Classroom", of Shinhwa Broadcast aired on 7 July 2012.

Jun Jin is holding a live talk concert in Seoul, his first fan event here in four years, on August 18 at 5 p.m. KST, a night before his 34th birthday, according to its organizing firm SHOWNOTE on Thursday.

Dubbed the “JUNJIN Live Talk 2013 – 34, Between Jun Jin and Chungjae [his real name]” (translated title), around all 900 seats to the upcoming event sold out in half a minute yesterday, SHOWNOTE added.

Despite his tight schedule due to SHINHWA's on-going Asia tour, Jun is said to have worked hard to give his best performance for several of his songs including his solo tunes “Love Is Not Coming” and “WA,” as well as talk honestly about his past 16 years as an idol singer, actor and human being.