To write a good youth sadistic novel, the following steps were needed: 1. Confirm the background and plot of the story: First, you need to confirm the background and plot of the story, including the school life in youth, emotional entanglement, academic pressure, etc. These plots should be able to resonate with the readers and cause emotional resonance. 2. Shaping character image: Character image is very important in youth sadistic novels. He needed to create a few distinct characters, including the protagonist, supporting characters, and villains. These characters should have their own personalities, emotions, and experiences so that readers can deeply understand and sympathize with them. 3. Set up emotional conflict: Emotional conflict is one of the important elements of youth sadism. The emotional conflicts between the protagonists needed to be set up, including love, friendship, kinship, and so on. These emotional conflicts should be able to resonate with the readers and cause them to resonate emotionally. 4. Strengthening narrative skills: Narrative skills are also very important when writing youth sadistic novels. Special narrative techniques such as flashbacks, interjection, and recollection were needed to strengthen the appeal of the novel. 5. Increase the degree of sadism: Youthful sadism novels usually need to be written in a very sadistic way to make the reader have a strong emotional resonance. It could be enhanced by describing the tragic experience of the protagonist, the injustice of fate, the betrayal of friends, and other means. To write a good sadistic novel about youth, one needed to use a variety of techniques. At the same time, one also needed to pay attention to the image of the characters, emotional conflicts, and the strengthening of narrative techniques to make the readers feel the bitterness and preciousness of youth.