Introduction to the ruins exhibition area: The distribution area of ​​Xinle ruins is 178,000 square meters, and the key ruins protection area is 22,500 square meters. It is confirmed that there are three layers of cultural accumulation in this area: upper, middle and lower. The upper culture is made of grinding Stone tools and plain pottery, Ge, and pottery are the main representatives, dating back about 3,000-4,000 years ago. The middle-level culture is mainly represented by ground stone axes, fine stone tools and pottery pots, pots and bowls with additional patterns, dating back about 5,000 years. The lower culture is mainly represented by carved stone tools, ground stone tools, fine stone tools, refined coal products, deep-belly jars with embossed zigzag patterns, etc., dating back about 7,200 years. The lower-class culture of Xinle has rich cultural connotations and distinctive local characteristics, and is a typical representative of Xinle culture.