开放空间中座位的使用率受多种因素的影响,选取其中的道路类型、布置形式和日照情况三种典型影响因子进行研究.以秋冬两季工作日与节假日对京杭大运河滨水公共开放空间的座位使用情况进行调查分析,得出三种影响因子随时间变化关系,确定了最佳的座位类型为单独放置在道路旁有日照类型,提出用于计算开放空间座位使用情况的方法. The utilization rate of the seats in the open space is affected by many factors and three typical factors such as the type of the road, the layout and the sunshine conditions are selected to study. Taking the autumn and winter working days and holidays as examples, The results show that the best type of seat is placed separately on the road with sunshine type and the method for calculating the seat usage in open space is proposed.