In the history of the development of world film art, there have been three major changes, all of which are closely related to the development of modern science and technology. The first major change in the history of film art was from silent to sound. The first films were silent films, known as "silent films." The birth of sound films was marked by the American "The Jazz Singer" in 1927, which marked the beginning of a new era in film history. Since then, movies have changed from a purely visual art to a comprehensive audio-visual art. Music, sound and language have become important artistic elements of movies, greatly enriching their expressive power. The second major change in the history of film art was from black and white to color. The first films were all black and white. Early films once used artificial coloring, that is, coloring on the black and white film. For example, the former Soviet film "Battleship Potemkin" (1925) used artificial coloring to make the screen A red flag was hoisted on the battleship after the uprising, which was obviously an extremely heavy job. In 1935, the American film "Fantasy" was produced using color film. It was the world's first color film. The third major change in the history of film art has occurred since the 1990s. Film is making great strides into the high-tech era. High-tech means such as computer three-dimensional animation, digital technology, multimedia technology, and virtual reality are being applied to the film field. , with extremely imaginative artistic techniques and extremely realistic artistic effects, greatly enhances the charm of film art. For example, in the American film "Forrest Gump", the protagonist actually had a heart-to-heart talk with President Kennedy; in "True Lies", huge fighter jets crashed between skyscrapers; in "Jurassic Park" there were running dinosaurs and Archaeopteryx; the huge ship sinking into the water in "Titanic" and so on. In particular, the three-dimensional cartoon "Toy Story" is entirely composed of 1,500 shots produced by electronic computers. It can be said that the huge impact that high-tech electronic computers have had on film and television art has only begun to emerge. It needs to be emphasized that the rapid development of modern science and technology not only provides films with increasingly rich technical means and artistic languages, but also directly affects the emergence and development of various schools of film aesthetics. The introduction of sound into movies contributed to the birth of dramatic film aesthetics; the emergence of lightweight cameras, high-speed photosensitive films and tape recorders enabled Italian neorealist films to realize the aesthetic pursuit of "carrying cameras to the streets". These facts were all recognized by the world film industry. In particular, the introduction of computer technology has brought new topics to film aesthetics. It is foreseeable that with the rapid progress of the modern technological revolution, movies will undergo greater changes in the 21st century.