China is one of the earliest and most widely used fish countries in the world. The oracle inscriptions unearthed in Yin Ruins have "fish" -shaped characters, and there are more "fish" -shaped characters in bronze inscriptions. "Is the earliest ancient book identified by the people of our country. It records more than 20 kinds of fishes such as cormorants. From the" Shen Nong's Materia Medica "by Tao Hongjing of the Liang Dynasty in the Southern Dynasty to" The Materia Medica "by Wu Yiluo in the late Qing Dynasty, many" "Compendium of Materia Medica" records in more detail the knowledge of fish morphology, ecology, distribution, food and medicine. This text mainly introduces:. ['Ancient Documents Recording Fish.', 'History of fish culture in China.', 'The way the ancients used fish.', 'Evolution of the word "fish".']