文章对2007年全国大学生城市规划社会调查竞赛的概况进行了简要总结，并对近几年获奖的选题类型与发展趋势进行了点评。同时，对2007年的交通和流动商贩两大热点选题进行了深入研究，针对其地点、时间、因子等基本研究要素进行了具体的案例分析，旨在帮助同一类型的选题寻找不同的研究角度和方法，以拓宽社会调查的平台。希望在选题和研究思路上为今后进行社会调查研究以及撰写硕士选题报告的学生提供一些富有启发性的指导以及具体实用的策略。

This article gives a brief introduction of the national social survey competition of the college students in urban planning in 2007 It also reviews the types of research subjects and indicates the future research trend, based on the winning projects in the recent years Next, indepth study is made on the two hottest subjects in 2007, which are transportation and itinerant vendors The article makes detailed casestudy analysis on the research components, including location, time, and indicators etc The purpose is to find different research approach and methods for similar subjects, and expand research horizon for social surveys From the perspective of subject choosing and research design, the authors hope to provide some creative advice and useful strategies for students doing research on social survey, as well as graduate students writing thesis proposal