In the 1980s, all movies were movies. The quality of the film is reliable and the picture is clear, but it is expensive. Except for renting cameras and a few stars, most of them bought films. The film technology in the 1980s has reached its peak, and it is not worth the loss to continue to develop better films. In the late 1980s and early 1990s, some filmmakers began to make movies with video recorders. In the mid-1990s, video recording technology was relatively mature. Basically, filmmakers choose video recorders for cost, but the quality of video recorders cannot be guaranteed. Of course, mainland filmmakers also used video recorders in the 1990s. What is said is expected to be adopted.