Abstract: Low-carbon city is a common economic development consideration for every country. From the point of low-carbon planning view, this paper, starting by introducing the impact that low-carbon concept puts, on city planning, illustrates the current situation and major problems of Chinese low-carbon planning. The ending part of this paper discusses how climate feasibility study could make its contribution to the low-carbon planning and suggests the climate feasibility study, as one of low-carbon city planning technologic methods, could play its role in policy guide, system innovation and technology support, the last of which is discussed in detail.