The movie " 77 Days " was a Chinese adventure film that was released in 2015. It was directed by Li Shaohong, written by Zhang Yibai, Wu Jing, Zhao Youting, Lu Shiyi, Hao Lei, and others. The movie told the story of the protagonist Li Xiangqian, who took his wife and two children across the desert to complete a mission. In the desert, Li Xiangqian experienced many difficulties and dangers, but he never gave up and finally completed the mission. Through this story, the movie showed the audience the courage and perseverance of human beings, while also exploring the theme of family, responsibility and faith.