Firstly , through the analyses on land remising market , this paper finds that the spatial structure of land remising is evolving over time , its effect factor covering location , market and policy factors , its formation mechanism including location tendency , centralization and decentralization mechanism , spatial adjacency effect , and market mechanism 首先,通過對北京市土地出讓市場發展現狀進行分析,發現土地出讓的空間分布是隨時間推移而不斷演化的,影響土地出讓空間分布的因素主要有:區位因素、市場因素和政策因素,形成機制有區位指向、集聚和擴散機制、空間近鄰效應和市場機制。