Writing novels about war is popular with readers because war is a strong emotional experience that can attract readers 'attention and stimulate their empathy. By describing the cruelty of war, the complexity of human nature, and personal experiences in the war, the novel can let the readers have a deeper understanding of the impact and consequences of the war, and at the same time, it can also let the readers feel the pain and hope brought by the war. War novels could also attract other types of readers, such as military enthusiasts and history enthusiasts. These readers might be interested in the details of military tactics, weapons and equipment, personnel training, etc., so the description of these details in the novel would attract more readers. Of course, when writing a novel about war, one had to be careful not to be too violent and bloody. One had to follow good moral standards and respect the dignity and rights of the victims of war. This way, the novel would be more readable and emotional, and it would better convey the author's intentions.