The title of a documentary is usually a few words.

The title of a documentary is generally four words. Determine several words according to four aspects, but there are no specific words.

1. The title should be accurate, concise, eye-catching and novel. Four words look simple and novel.

2. The abstract of the main content of the article should be short, accurate and complete, and three to four words is appropriate.

3, keywords or keywords from the title, abstract, text, select the keywords that are of substantial significance to the expression of the content, as the index of the system. Therefore, the title of the documentary is most appropriate in four words.