Women's addictive shopping is so popular and meaningful that it will be more important in future and plays a role in marketing. This research, hence, tries to set up a causal model by using Grounded Theory to explain the causes that make them addicted to such behavior and what will happen to them when they are addicted to shopping. The result shows women's addictive shopping behaviors result from women's physiological need, secure need, social need and leisure need. Owing to the special function provided by shopping that can satisfied these needs effectively and conveniently, some women just start doing it and are finally reinforced by such behaviors. Meanwhile, some of them may like to do it again and again and regard it as a hobby or an interest, and therefore, addictive shopping behaviors are formed. From then on, without going shopping for some time, they are likely to feel upset or incline to do it even those needs don't appear at all. To increase sales, a company may try to improve the functions of its products that can satisfy more needs of women which are found in this research. However, a responsible corporation should include not only some shopping fun in its marketing, but also some effective steps to increases shoppers' related knowledge so as to keep their customers from becoming addictive in shopping and take good care of its long-term benefits.