Abstract: Being trampled, burned, eaten and mowed, grass has survived generation after generation. It has been used for a symbol as humble life as well as a model of strong vitality. Grass is a very important life material and living environment for human being with the longest history. It is often used to describe primitive living status, low existence quality, and sometimes used for rough behavior or attitude. Therefore, people often use this term expressing humility of themselves. Green grass can bring up pleasant scenery, but the luxuriant green grass can strengthen the grief of leaving, reflect the desolation after flourishing. From the ecology habit of grass，people comprehend philosophy such as parents love can hardly be returned by children. People also place some ultimate hopes on grass, such as evergreen and immortality.