科学技术渗透到社会的方方面面，科学技术的重要性不仅体现在科学本身的创新上，更体现在科学传播和科学普及上。科学传播的内容与方式是科普活动中亟需理清的重要理念。文章从理性与科学的关系、传播内容与传播方式的关系，以及对科普工作者的要求3个方面试图理清科普活动中的重要问题，使人们更好地理解科学传播和科普活动及其两者的关系。

Science and technology have already permeated everywhere in the society, the importance of science and technology is reflected not only in science innovation, but also in science communication and popularization. The content, manner and medium of science communication are the important principal to be clarified in science popularization activity. The paper tries to clarify the problems in science popularization activity from the relationship between reason and science, communication content and manner, and the requirement to the science popularization works. These are helpful to comprehend the science communication and science popularization activity.