Just 4 days after joining the military in March 2017, Seo In Guk was sent back due to a severe ankle injury. It was later revealed that Seo In Guk suffers from Osteochondritis dissecans or joint disease. Seo In Guk's health condition is classified as level 5, which exempts him from military service.

Yoo Ah In is exempted from military service due to suffering from bone tumor. After several health examinations, he was deemed unfit to serve in the military.

The case of Jo Jung Suk is heart-wrenching because this actor was exempted from military service due to financial reasons. Jo Jung Suk's father passed away in 2000, so he was granted exemption from military service to support his mother. At that time, Jo Jung Suk also dropped out of school to earn money by starring in musical theater, which was his passion.

Eun Ji Won is exempted from military service due to not meeting the education requirements. Eun Ji Won, who attended middle school in Hawaii, became a transfer student at Kent Foreign School upon returning to South Korea. His education is not counted, so Eun Ji Won is only considered a middle school graduate.

Jeong Jun Ha who is the only male child in the family for 4 generations is exempted from mandatory military service.

Athletes who win gold medals in the Asian Games are automatically exempted from military service. In the 2018 Asian Games, the South Korean soccer team, in which Son Heung Min was a part of, won the gold medal and received this privilege.

Just like South Korea, Thailand also implements mandatory military service. Ten NCT, who is Thai, was exempted from the lottery due to a severe knee injury. Ten underwent surgery in 2017 for this condition.

BamBam GOT7 is considered lucky. He is exempt from the Thai military service because the number of volunteers who registered has already reached the quota during the lottery drawing.