600 years ago, Zheng He went to the Western Ocean in the Ming Dynasty, with a history as far away as Africa. It is said that he traveled far to find the auspicious beast "Kirin" in China's mind. According to ancient legends in China, unicorns appeared in the world, which is a good omen for the country and people. The world is peaceful, but no one has seen the deer, oxtail and unicorn described in this ancient book. Therefore, people have always doubted whether it really exists. In the 12th year of Yongle in Ming Dynasty (A.D. 14 14), on September 20th, Min Yang under Zheng He brought back a giraffe as a tribute to seypidin, the new king of Bangalore (now Bengal), and the whole country in Ming Dynasty clamored for it. At that time, the scene was like a poem, which described "the scholars gathered together and were overjoyed", and there was a poem praising Yue. Elk has horseshoes, meat horns, brilliant literary talent, red clouds and purple fog, and its toes are not practiced. If you swim, you must choose the soil. If you slow down, you will be loose. If you slow down, you will move. If you listen to it, you will be happy to help Zhong Lu, and the benevolent beast will meet the past and ascend to Tianfu according to its spirit. "Because the giraffe's appearance, habit, habit and pronunciation are very similar to that of Kirin, China people think that giraffe is Kirin. So Zheng He's fleet sailed to West Asia for the fourth time, bypassed the Arabian Peninsula, made its maiden voyage to East Africa, and arrived at the giraffe's hometown in the 13th year of Yongle. In the same year, Zheng He's fleet returned to China, and ambassadors from various countries gathered together, including Marin State in East Africa (its location is said to be Malindi; It is said that he was the messenger of Kilwa Kisiwani in Tanzania, and he gave a giraffe from his own country to Emperor Yongle. In the 14th year of Yongle (A.D. 14 16), Marin paid tribute to the Ming Dynasty for the second time. In the book Ying Ya Sheng Lan written by Ma Huan, it is described as follows: "Kirin, the first two feet are nine feet high.