The protagonist in Danke used his own life to illuminate people's way forward, demonstrating the preciousness of life and the greatness of humanity. Through telling the story of Danke, the novel conveyed a deep thought about life and explored the meaning and value of life. At the same time, the novel also emphasized the brilliance and kindness of human nature. Through Danke's experience, people realized the complexity and variety of human nature and inspired people to cherish and respect everyone's life. Therefore, Danke expressed the theme of life, humanity and values.