Abstract: Based on the innovation diffusion theory and literature，this paper constructs key factors model affecting enterprises’ adoption and migration to internet-based e-commerce，and conducts a business survey in the Yangtze River Delta region as the main.On the basis of analyzing the reliability of survey results using SPSS software，this study examines the assumptions of theoretical model using SEM method.The conclusion of this paper will help enterprises in raising the awareness of their own environment and conditions，understanding the forming of e-commerce adoption mechanism，and take more effective management of e-commerce technology adoption and application activities.

Key words: e-commerce technology adoption, factors affecting, empirical study

摘要： 以创新扩散理论与文献为依据构建了企业电子商务采纳与应用关键影响因素模型，并以长三角地区企业为主体进行了问卷调查。在利用SPSS对调查结果进行信度分析的基础上，采用结构方程模型对假设模型进行了实证，研究结论有助于企业认清自身所处的环境与条件，了解电子商务技术采纳行为形成的机理，有效管理电子商务技术采纳与应用活动。

关键词: 电子商务技术采纳, 影响因素, 实证研究