| With the continuous development of the landscape design, it involves a wider range of relevant knowledge and disciplines, designers are talking about more ecological, environmental, cultural problems and other issues of widely concern, and for landscape design, Means of expression seems to have begun gradually faded. However, flat landscape design is precisely the expression of the first step, a step can not be ignored, we should study it more deeply. Also no matter in traditional or modern, Eastern or Western also, circular design works in both the existence of a large number. It is often accompanied by the emergence of a mysterious color, and was given the people more rich connotations. This paper starts form how circle is expressed in the landscape design, and explores what the circle convey the true essence of design as a graphic representation by the designer. Through the analysis of the large number of works, it summs up the various forms the cirle expressed in flat landscape design and put forward the principle of expression.This paper is mainly divided into the following sections:1. Basic theory of circle is provided, as a graphic exposition for the extension and development of a sound theoretical platform for the paper.2. In the classical theory of produce from the specific image of a circle, makes it straightforward in sight, become the focus of research.3.analyze the the application of circle of various types of design works, and summariz designpractices of circle in landscape in specific applications.4. Summarize, conclude the specific principles of circle in the landscape design, as of the end of thepaper. |