The reason why Chinese online literature was so popular overseas was mainly because of the following reasons: 1. Chinese cultural output: Chinese online literature is not only popular in China but also receives attention worldwide. The export of Chinese culture had become a trend. As an important form of expression of Chinese culture, online literature had been recognized and loved by readers all over the world. 2. High literary value: Online literature has a unique literary value. It is not only a form of entertainment but also a literary genre. Online literature often focused on plots, character portrayals, and theme discussions. It had profound meaning and literary value to meet the needs of different readers. Language convenience: The language of online literature is usually Chinese, which makes it easier to translate into other languages and spread worldwide. In addition, the content of online literature was usually more relaxed and humorous, which suited the reading habits of readers around the world. This was also one of the reasons why it was popular overseas. 4. Close to the readers: Online literature is often based on the needs and interests of the readers, focusing on interaction and communication with the readers. It could be adjusted and improved according to the needs and feedback of readers to continuously improve the quality and level of literature to attract more readers. Chinese online literature was popular overseas because of its unique literary value, language convenience, proximity to readers, and cultural implications.