摘要:: Theorizing is a crucial problem in communication research. How to build a good theory in research quantitatively and qualitatively is the main objective in this paper. Solving the problem is be done by explaining the definition and function of theory. Besides that it also describes the perspectives and paradigm that related with communication theories. One of the perspectives namely tradition in communication theory that developed by Robert T. Craig is used to understand the communication theories. Several issues that related with theorizing is exposed to get better understanding in using theory in research namely: the direction of reasoning; the level of social reality; the scope of theory; the mode of theory’s explanation;and the theoretical framework. It is suggested to understand better the whole theoretical issues to get theorizing propherly. Besides that reading more book that related with the topic is also suggested to get more understanding in choosing a main theory that fit with the topic’s research.