Legal analysis: The state has designated red lines for ecological protection in key ecological functional areas, sensitive areas of ecological environment and fragile areas, and implemented strict protection. The red line of ecological protection refers to the area in the ecological space that has special important ecological functions and must be strictly protected. It is the bottom line and lifeline for safeguarding and maintaining national ecological security, and usually includes important areas with ecological functions such as important water conservation, biodiversity protection, soil and water conservation, windbreak and sand fixation, coastal ecological stability, and sensitive and fragile areas with ecological environment such as soil erosion, land desertification, rocky desertification and salinization.

Legal basis: Article 29 of the Environmental Protection Law of People's Republic of China (PRC), the state has designated ecological protection red lines in key ecological function areas, sensitive areas and fragile areas, and implemented strict protection. People's governments at all levels shall take measures to protect representative areas of various natural ecosystems, natural distribution areas of rare and endangered wild animals and plants, important water conservation areas, geological structures with great scientific and cultural value, famous caves and fossil distribution areas, glaciers, volcanoes, hot springs and other natural relics, as well as cultural relics and ancient and famous trees, and it is strictly forbidden to destroy them.