With an area of 12 square kilometers and a history of 5000-3000 years, Sanxingdui Ancient Site is the largest, longest lasting and most abundant ancient city, ancient country and ancient Shu cultural site in Southwest China. At present, they are the best-preserved east, west and south walls and the inner wall of Moon Bay. Sanxingdui Ancient Site is known as one of the greatest archaeological discoveries in the 20th century, which shows that the Yangtze River Basin, like the Yellow River Basin, belongs to the mother of Chinese civilization and is known as the "source of Yangtze River civilization". Sanxingdui Museum, with its outstanding features of cultural relics, architecture, display and garden, has become a famous cultural tourist attraction at home and abroad. It is one of the five major tourist attractions launched by Sichuan Province. It is one of the 50 most worthy places for foreigners to visit in China.