The reasons why people like to read sadistic novels are more complicated. Here are some possible factors: 1. Emotional resonance: sadistic novels often describe a tragic story where the protagonist has experienced many setbacks and pain. The reader may feel some kind of emotional resonance from it, such as sympathy, pity, loss, etc. 2. Challenging the mind: Sadistic novels often have some incomprehensible plots and settings that challenge the reader's psychological limits to make the reader feel excited and stimulated. 3. Seeking excitement: Some people like sadistic novels and think that it is a kind of excitement. They can obtain some satisfaction and pleasure by reading sadistic novels. 4. Escape from reality: Some people may feel pain and depression because of some real problems and hope to escape reality by reading sadistic novels to obtain a temporary comfort and relaxation. It should be noted that although sadism can cause emotional resonance and stimulation in readers, it may also have some negative effects, such as adverse effects on mental health. Overreading may lead to emotional depression and other problems. Therefore, we should read sadistic literature in moderation to maintain our physical and mental health.