为深入了解我国铁路勘察设计质量的现状，开展了较大范围的问卷调查工作。调查的内容主要包括两个部分：铁路勘察设计质量的现状以及影响铁路勘察设计质量的主要因素。在问卷调查的基础上，利用SPSS软件对统计数据进行了频数分析、描述性统计分析、相关性分析、因子分析等。通过对调查问卷的统计计算，分析了我国铁路勘察设计质量的现状及存在的主要问题，分析了影响我国铁路勘察设计质量的主要因素，并提出了相应的对策。

In order to deeply understand the present situation and the main influencing factors of Chinese railway survey and design market, the questionnaire investigation was conducted. The descriptive statistics analysis, frequency analysis, correlation analysis and factor analysis have been adopted in data analysis. The status and main questions of Chinese railway survey and design market was described through the questionnaire analysis. The main influencing factors of Chinese railway survey and design market were discussed, and the corresponding countermeasures were proposed.