When we look at the process in which Mao Tao established the People s Republic of China through the civil war, we can see that the people s trust and support for the military is very important. Therefore, many countries are trying to maintain a high degree of confidence among their military and people through various ways. Generally, people s trust and support for the military may be affected by specific events for a short period of time. However, repeated exposure of certain contents over a long period of time through film or TV may lead to a good image being newly formed. Some commercial films produced in Korea around the year 2000 have created a negative image of the ROK military, which could weaken the public s sense of security. Of course, commercial films seek to maximize profits, so in order to attract a lot of audiences, you can try to increase interest by adding fictional content to specific historical facts. However, the content that encourages distrust among the military and the people who are responsible for national security should be excluded as much as possible. An army that is not trusted by the people can cause morale and deterioration of combat power, which could jeopardize national security. After watching a commercial movie about South Korean soldiers at a male college student, an analysis of the changing image of the South Korean military revealed that the images described in the movie were negative. Therefore, even if it is a commercial movie aiming to generate profits, if the Korean army appears, it will raise the credibility of the army and develop a story to raise the sense of security that the audience and the heroine will share the comradeship to overcome the national crisis. The results are summarized as follows. For the audience who watched the movie, it is necessary to lead the Korean soldiers and the Korean people to recognize that they are the fate community.