Han Han was a famous Chinese writer who had always been committed to expressing his thoughts and opinions through writing and filming. The main reasons for him making movies were as follows: 1. Self-expression: Han Han believes that movies are a better way to express himself. He hopes to show his literary talent and depth of thought through movies. 2. Financial benefits: Film is a highly commercial art form. Through filming, one can obtain higher economic benefits. This is also one of the reasons why Han Han chose to film. 3. Social issues: Han Han was sensitive to social issues. He hoped to explore some complex social issues such as freedom of speech, education system, social injustice, etc. through his films. 4. Challenging tradition: Han Han believes that there are some problems in traditional film culture, such as lack of creativity and being too conservative. He hopes to challenge traditional film culture through his own films and promote the development of China's film industry. In general, Han Han's reasons for making movies were complicated, but his goal was always to express his views and thoughts through movies and promote the development of the Chinese film industry.