The Legend of the Sword and Fairy 4 was a Doujinshi novel created by the famous Chinese game development company RPG Creator. It told a story about the Xianxia world and the human world. The protagonist of the story was the young swordsman Li Xiaoyao. He obtained the legendary Spirit Snake Sword and embarked on a journey to save the world. In the story, Li Xiaoyao met a variety of characters, including the mysterious heroine Zhao Ling 'er, the loyal warrior Lin Yueru, the witty hacker Wang Xiaohu, and so on. Together, they embarked on a journey full of adventure and touching, and finally defeated the evil forces to protect the world's peace. The Legend of Sword and Fairy 4 has a strong Chinese style, portraying a rich and colorful world of Xianxia, but also showing a deep human thinking and emotional expression. Because of her beautiful writing style and touching plot, she was deeply loved by many readers.