On March 5th, it was learned from the Provincial Tourism Development Committee that according to the national standards such as "Classification and Evaluation of Scenic Spot Quality" and the evaluation organized by the Sichuan Provincial Scenic Spot Quality Rating Committee, Chengdu Single Crystal Scenic Spot 15 Scenic Spot met the requirements of the national 4A-level scenic spot standard and was officially promoted to the national 4A-level scenic spot.

The newly assessed national 4A-level tourist attractions cover cultural, wetland, ancient town, pastoral and other tourist types, among which there are 7 Zigong scenic spots in southern Sichuan. 15 tourist attractions are Chengdu Single Crystal Scenic Spot, Chengdu Huaxi Valley Scenic Spot, Zigong Shixian Ancient Town Scenic Spot, Zigong Hu Axiang Pastoral Scenic Spot, Zigong Shenhai Scenic Spot, Zigong Fuxihe Cultural Expo Park, Zigong Jianshan Scenic Spot, Zigong Zhang Yu Hometown, Zigong Confucius Temple West Lake Scenic Spot, Bazhong Baiyi Ancient Town Scenic Spot, Bazhong Yushan Scenic Spot and Bazhong Wanshou Health Valley Scenic Spot.

The quality grade of tourist attractions is divided into five grades, from high to low, which are AAAAA, AAAA, AAA, AA and A-level tourist attractions. AAAA level is the quality level of tourist attractions second only to AAAA level.

A scenic spot is a space or region with tourism and related activities as its main function or one of its main functions. Tourist attractions include scenic spots, museums, temples, tourist resorts, nature reserves, historical sites, theme parks, tourist resorts, forest parks, geological parks, wetland parks, amusement parks, zoos, botanical gardens and various tourist attractions such as industry, agriculture, economy and trade, science and education, military, sports, culture and art.