At present China is experiencing the process of speeding up urbanization with comparatively integrated urban population and pollution sources, which makes the water and the atmosphere of the urban be overloaded with pollutants as well as the various constant upcoming urban problems. The deterioration of urban environment and the demand for high-quality leisure space distinctively contradict that how to solve the problem has become the important topic among the planning and construction of modern city. The greenway, as a linear landscape, possesses multiple characteristics such as connectivity and multi-function, which provides the recreation route for tourists and riders. It connects parks, human landscapes as well as urban and rural residential areas, that enables people enjoy enough space for recreation and outdoor activity and also offer an effective way to solve the contradictions in the city.This article introduces the concepts, compositions and the classifications of the greenway, the characteristics, function and values of exploring urban greenway as well as makes corresponding summarization on the principles of each part and greenway construction. It summarizes the basic concepts of greenway through various development ways at home and abroad, concludes and works out the restriction factors of greenway development and the problems in planning and construction as well as analyzes relative cases as the guidance for the construction of Langfang greenways.This article, taking Langfang greenway construction in Hebei province as the example and regarding the actual situation and future planning on the greenway of Langfang Heping road (Guangyang Road-Tongwan Road) as the key point, hackles out and analyzes the relevant planning and design issues on greenway construction in middle and small cities as well as points out that leisure greenway is an effective way for the sustainable development of the environment in middle and small cities. This article summarizes the function of greenway in urban construction and the effect for the future urban planning with practices and comparisons. The construction of Langfang greenway effectively integrates the urban green land to form a network system and enhances green construction above a higher planning level as well as provides fresh thoughts for the structure and planning method of leisure greenway in middle and small cities.