中文摘要：

随着网络购物的兴起，微博平台的评论成为影响消费者购物行为的一大因素，也成为产品设计师们改进产品的参考之一。随着电商平台与社交平台的发展，网络评论大量增加，产品设计师很难从海量评论中获取对于改进产品有用的信息。文章从产品设计的角度出发，通过建立有用性模型，对微博平台的评论进行有用性分析，基于微博平台上的评论比较产品特征，快速筛选出能反映客户需求、提供产品改进建议的有用评论，并进一步对微博平台在线评论的特点进行分析。

英文摘要：

With the rise of online shopping platform, microblog comments become a major factor affecting consumer shopping behavior and has become one of the references of product designers. With the development of electronic business platform and social platform, network consumption increasing, online reviews have become abundant, the mass comments make it hard for product designers to obtain useful feedback from the comments for the improvement of products. The purpose of this study is to establish the usefulness analysis model of microblog reviews from the product designing perspective. Then we use descriptive statistical methods to analyze microblog platform comments, feature analysis and comparison of the product, then put forward the product improvement suggestions besides analyzing the characteristics of microblog platform.