The meaning of the last dialogue in the movie No Country for Old Men was to reveal the loneliness and helplessness of the protagonist and his powerlessness in the face of power. The main character, Ryan Wilson, had always been a brave and faithful man in the movie. He was willing to take risks and commit crimes to protect his family and friends. However, as the story developed, he gradually found himself in a desperate situation that he could not escape. Ryan Wilson felt helpless and lonely in the face of a powerful opponent and a desperate situation. In the last dialogue, Ryan revealed his true identity to the police but also expressed his inner world: he believed that he could not escape reality, no matter how hard he tried, he could not change his life. Therefore, this dialogue revealed Ryan Wilson's loneliness and helplessness, as well as his powerlessness in the face of power. The title of the film, No Country for the Old, also expressed the theme of the film, that is, even if a person is experienced and strong, he can not get rid of the fate of loneliness and helplessness. He can only rely on his own courage and faith to face the challenges of the future.