Liu Peiqiang is a fictional character from the Chinese science fiction film "The Wandering Earth," which is based on a novella by Liu Cixin. He is portrayed as a dedicated astronaut and a key figure in humanity's efforts to save Earth from an impending collision with Proxima Centauri. In the film, Liu Peiqiang embarks on a perilous journey into space, showcasing themes of sacrifice and resilience. His character embodies the spirit of cooperation and determination as he works alongside other astronauts and scientists to ensure the survival of the human race.