This paper explores the structure and content of customers' reactions to othercustomer misbehavior following the scale development technology and empirically analyzes differences on customer misbehavior type and demographic characteristics. The study developes the scale through deep interviews and open questionnaire surveys based on literature review. The exploratory factor analysis and confirmatory factor analysis are done with data from two surveys by SPSS 17.0 and AMOS 7.0 respectively, and the relatively stable structure of the scale was received. The results show that: i) the structure of customers' reactions to othercustomer misbehavior consists of 9 dimensions named as dissuasion, understanding, approval, exit, retaliation, constructive discussion, sympathy for employees, venting and complaints; ii) customers' reactions to othercustomer misbehavior vary across different types of customer misbehavior; iii) differences of customers' reactions to othercustomer misbehavior are statistically significant on demographic variables.