1, the rice terraces built in the vast mountainous areas by the original technology of land reclamation is undoubtedly an outstanding engineering achievement, which not only realizes the harmony with the natural environment, but also endows it with unparalleled aesthetic significance through carving the earth.
2. Established an excellent water use system, and realized intensive and efficient utilization and management of water resources. Based on the scientific principle of maintaining natural ecological mechanism, this system skillfully integrates people's utilization of water resources into the circulation of natural water resources, and it is still playing a stable role.
3. Relying on the natural ecology, based on the natural environment in life style, and taking all natural things as gods in religious activities, we will create a perfect living environment represented by the four-dimensional isomorphism of rivers, terraces, villages and forests.
Second, it can provide unique or at least special testimony for existing or extinct civilizations or cultural traditions.
1. With the traditional agriculture in many other areas being gradually replaced by modern agriculture, many rice culture elements preserved in Hani terraces have become precious evidence to witness the traditional rice culture.
2. Due to the special history of national development and the specific natural and geographical conditions in Ailaoshan area, many rice culture elements preserved in Hani terraces are unique, which reflect the local characteristics and nationality of rice culture and are an important part of the diversity of traditional rice culture in Asia.
3. Chinese traditional agriculture not only feeds a large population in China, breeds and creates endless Chinese civilizations, but also has a far-reaching impact on East Asia and Southeast Asia in history, providing a significant and meaningful idea for the sustainable development of world agriculture. The traditional rice production, which continues to this day, embodies the essence of Chinese traditional agriculture and provides a unique witness for the expansion and sustainable development stage of China's unique intensive farming tradition.