Trees were plants with strong vitality. They played an important role in both the natural ecosystem and human society. In the natural ecosystem, trees are important participants in maintaining ecological balance, providing habitat and food for many animals. In human society, trees symbolized life, faith, and dignity. Many cultural essays expressed their praise and respect for trees. In ancient Chinese culture, trees were regarded as a symbol of life. Many poems and novels used the image of trees. In " Dream of the Red Chamber ", Lin Daiyu's father, Jia Zheng, once wrote: " Today, I saw the big tree in front of the main hall of the Jia Mansion. It was an old pear tree." This sentence expressed the importance of the tree in the Jia family and also hinted at Jia Zheng's love and concern for Lin Daiyu. In Western culture, trees were also seen as a symbol of faith. In the Christian Church, the church was usually a tall tree that symbolized faith and the power of life. In Buddhist culture, trees are regarded as a symbol of compassion because they can grow strong and tenacious, and at the same time, they can absorb carbon dioxide and purify the environment. Trees were also regarded as a symbol of dignity in Chinese culture. Trees that appeared in many novels, such as the white fruit tree in Water Margins and the flaming mountain in Journey to the West, symbolized the struggle between justice and evil, as well as the dignity and perseverance of human nature. Trees are plants full of vitality and cultural significance. They play an important role in both natural ecological systems and human society. We should respect trees, appreciate trees, protect trees, and let trees continue to play an important role in our lives.