As a new form of media, online novels had great influence and appeal. Although online novels bring a lot of fun and inspiration to readers, there are also some dangers and influences, including the following aspects: 1. Affect reading interest: Some online novels are too vulgar, violent, bloody, and even involve some sensitive topics. They may have a negative impact on readers 'interest in reading, causing readers to be unwilling to read other types of books. 2. Misleading readers: Some web novels 'plots and characters are too fictional, which may mislead readers' understanding of history, reality, and common sense. 3. Addicted to the Internet: Some online novels are addictive. The readers may be addicted to reading online novels and neglect other important things, which will have a negative impact on their physical and mental health. Waste of Resources: Some web novels involve a large amount of print and electronic resources, which may waste a lot of paper, electricity and other resources, and have a negative impact on the environment. As a new form of media, online novels had a certain degree of influence and danger. The readers needed to treat web novels rationally, avoid being addicted to reading, maintain the correct reading posture, and establish the correct values and outlook on life.