The Classic of Mountains and Seas was a mythological book from ancient China, also known as the Classic of the Sea. It was a masterpiece of myths and legends that described all kinds of strange monsters, immortals, devils, mountains, rivers, islands, reefs, and so on in China. The Classic of Mountains and Seas described a large number of mysterious natural phenomena and supernatural forces, such as Tengu, sea monsters, immortals, monsters, ghosts, and so on. At the same time, the book also depicted many myths and legends, such as Kuafu chasing the sun, Chang'e flying to the moon, Shennong tasting hundreds of herbs, etc. The Classic of Mountains and Seas was regarded as an important part of ancient Chinese culture and one of the sources of Chinese myths and legends. It was widely praised and studied, which had a profound impact on ancient Chinese culture, religious beliefs, literary creation and other aspects.