針對網際網路在應用上快速的發展,網路問卷調查服務業在國內正日漸茁壯。而如何有效地利用各類資訊技術,配合實用的資料意見收集方法,有效建構完整的網路問卷調查系統和成功的經營模式,是現今網路問卷調查服務業發展所面臨的重大問題之一。本篇論文除描述網路問卷調查系統該有的功能外,並探討電子化經營模式,研究分析其中的成功關鍵因素,進一步將此模型套用在電子商務等領域,並把德菲法融入系統中,提供使用者網路問卷調查服務,提高網路問卷調查系統使用上的方便性與意願。 This study proposes a Delphi web-based survey system, which is designed based on the method for obtaining independent forecasts from an expert panel over two or more rounds, with summaries of the anonymous forecasts provided after each round. The platform makes surveying more convenient. In the other hand, there are many studies on web-based survey research recently, but only few studies focus on B2C web-based survey. We notice that different B2C web-based survey offer different kind of business model. This thesis focuses on studying the business model of B2C web-based survey in Taiwan to learn how they are doing business. We also study and analyze the criteria of business owner to select a B2C web-based survey, and hope this information will be helpful to the business owner. In the last we also make recommendations to the business owner in charge.