Significance of protecting ancient and famous trees: 1. Ancient and famous trees are the witness of history. Many ancient and famous trees have experienced the change of dynasties, the joys and sorrows of the people and the vicissitudes of the world, which can be used to write explanations and popularize historical knowledge. 2.

Ancient and famous trees add luster to culture and art, and are the subject of poetry and painting by literati in past dynasties, often accompanied by beautiful legends and wonderful stories. 3.

Ancient and famous trees are also beautiful places of interest, such as "Wolong pine" in Beijing Jietai Temple. If hard-core branches take off in the black dragon, it will give people beautiful enjoyment. 4.

Ancient trees are important materials for studying natural history, and their complex ring structure includes the changing history of paleohydrology, paleogeography and paleovegetation. 5.

Ancient trees are of special significance to the study of tree physiology. People can't study the physiological process of longevity trees from birth to death by tracing, but ancient trees of different ages can coexist, and the order of tree growth and development can be expressed as a spatial arrangement in time, which is beneficial to scientific research. 6.

Ancient trees have great reference value for tree species planning.