环境质量的好坏，与人们的生存和身体健康有密切关系，而绿化是影响环境质量的重要因素。人们对绿化功能的认识，是随着科学的发展逐步提高的。有的提出建生态城市、造城市森林等观点，虽然提法不同，但有其共同特点，那就是要发展园林绿化，大力种树、种草、种花，在城市这个 Environmental quality is good or bad, and people’s survival and health are closely related, and greening is an important factor affecting the quality of the environment. People’s understanding of the greening function is gradually improved with the development of science. Some put forward the idea of ​​building an ecological city and creating a city forest. Although their formulation is different, they have their common characteristics. They are to develop landscaping, vigorously plant trees, grow grass and plant flowers. In this city