In North Korea, those people are not necessarily soldiers

There are several situations in which military service can be exempted:

1) level 6 active mental disorder, major diseases and disabled people.

2) people who have made great contributions to the country.

3) High education or primary school education, doctors or clergy and other special industries.

4) has reached the age of service, but undertakes the life of three or more people.

5) Men with tattoos over the whole body skin 1/3.

6) Men over 34 years old.

7) Being deprived of political rights, military service is a civil right. If you are deprived of political rights, you will naturally lose your qualification for military service.

8) Players who have won gold medals in the Asian Games or Olympic medals.

Extended data:

South Korea's military service system

South Korea implements compulsory conscription. According to the Korean military service law, all male citizens aged 20 to 30 who have passed the medical examination in the military service department must join the army for military service according to the medical examination grade and relevant regulations, and no one can disobey. Korean military service physical examination is divided into 7 grades.

1-3 are qualified candidates for active military personnel, who are respectively incorporated into active Lu Haijun; Level 4 refers to those who meet some project standards and are assigned as "public service personnel"; The fifth level is people with a major medical history. They are included in the second national service, which is supplementary service.

Grade six is a person suffering from serious illness or mental disorder, and can be exempted from military service; Grade 7 can't determine the physical condition, and must be re-examined the next year. Different arms have different service lives. Generally speaking, the service period is 2 1 month.

Baidu Encyclopedia-Korean Military Service System