There are many reasons why business novels are difficult to write: 1. The complexity of the business environment: Business war novels usually involve various business environments and market changes, including politics, economy, culture, technology, and other aspects. This made it necessary for the author to have extensive business knowledge and experience in order to understand and respond to these environmental changes. 2. The description of competitors: In business novels, competitors are an important element. Their characteristics, motives, and strategies need to be deeply portrayed to allow readers to better understand the nature of business competition. This required a lot of time and energy, and it was often easy for the author to fall into a state of fatigue when portraying competitors. 3. Description of conflicts of interest: In business novels, the protagonists usually need to deal with various conflicts of interest such as commercial interests, personal interests, national interests, etc. The description of these conflicts of interest requires the author to have superb writing skills and psychological writing ability in order to let the readers better understand the protagonist's decision-making process. 4. Business ethics: The protagonists in business novels usually have to face various moral and ethical issues such as honesty, betrayal, moral standards, etc. The discussion of these issues required the author to have a profound moral and ethical concept in order to write a business novel with depth. 5. The plot is full of ups and downs: The plot of a business war novel usually needs to be full of ups and downs, full of thrills and excitement. This required the author to have superb narrative skills and plot design skills in order to keep the reader excited and nervous in the ups and downs of the story. To sum up, there were many reasons why business war novels were difficult to write. The author needed to have a wealth of business knowledge and experience, as well as superb narrative skills and plot design skills to write an excellent business war novel.