The flying car in science fiction is a means of transportation that combines cars and planes. It can fly freely in the air. This idea mainly uses the reasonable imagination of the future development of science and technology. By thinking and creating science and technology, science fiction writers conceive new modes of transportation, break through the restrictions of ground transportation and realize people's desire to move freely in the air. This reasonable imagination is based on the thinking of the development trend and possibility of science and technology, combined with the existing flight technology and automobile technology in the real world, and has been expanded and innovated to a certain extent. Through this reasonable imagination, the flying car in science fiction works has become a desirable and imaginative form of future transportation.