Introduction to Diaoyutai: "Diaoyu Platform", also known as "Yuyu Platform", is taken from the meaning of "It is better to retreat to build a net if you are in the Yuan to envy fish" in "Hanshu. Biography of Dong Zhongshu". There is a pool under the Diaoyutai, where the red-scaled fish unique to Mount Tai grows. According to the "History of Dai", the Taishan fish "has spots, about four or five inches, and is born in the streams of Yuebei in April and May. It will never survive here." "Banwen is the red-scale fish, also known as the stone-scale fish. It is listed as one of the five rare and valuable fish species in my country, together with the oil fish and bow fish in the Erhai Lake in Yunnan, the yellow fish in Qinghai Lake, and the shad in the Fuchun River. It was once a tribute to the Qing Dynasty. The red-scaled fish is a small wild fish species, belonging to the family Cyprinidae, with fine and compact scales, a light blue back, a white belly, yellowish scales on the sides, a golden line in the middle, and a red tail, as if painted with rouge. . The red-scaled fish is colorful in the sun. This rare thing in the world and the elf in the water always goes up the water. When it encounters a small waterfall, it will jump over it. If it fails once, it will try again until it reaches the upper reaches, which makes people marvel at its small size. Such a small and beautiful body has such a persistent pursuit and a tenacity that will not give up until the goal is achieved. Xianyu Terrace does not require everyone to actually build a net to catch fish, but to pursue the resilience and striving for the upper reaches of Xianyu Tai.