What is the meaning of the main theme of the movie

Meaning: Main Theme Movie: A movie that promotes the national ideology under the guidance of the government. "Everything that promotes truth, goodness and beauty is a main theme movie" was said by Grandpa Xiaoping. Description: The mainstream form of Chinese cinema is actually composed of two kinds of films: political-historical and moral-ethical films that promote the main theme and national ideology, i.e., main theme films; and commercial entertainment films that are mainly comedies and tragicomedies, accompanied by martial arts and detective genres.　　Characteristics of a melodrama film: 1. Approval of mainstream ideology 2. Advocacy of national policy 3. Embodiment of dominant cultural values 4. Positive mood expression 5. Healthy film creations expressing history and reality (refer to Zeng Zhi's "Essential Literary and Artistic Knowledge for the Higher Education Examination for Art Professionals") Difference: The difference is that the melodramatic film is included in the mainstream film, and is subordinate to the mainstream film. Nowadays, many movies are not melodramatic movies, but commercial movies with melodramatic colors. This is a transformation of melodramatic films after the marketization of films

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