监听是一种有效的特殊侦查措施,也是国内外学术界颇有争议的话题。尽管它早已存在于我国的侦查实践中,但在理论研究上则是一个新的领域。厘清监听的概念、分类及特征等基本理论问题,以便能够对其进行更加深入的研究和探讨,从而构建适合我国国情的监听法律制度,是文章之要义。 Monitoring is an effective special investigative measures, but also controversial topic at home and abroad academics. Although it already exists in our country’s investigation practice, it is a new field in theoretical research. It is the essence of the article to clarify the basic theoretical issues such as the concept, classification and characteristics of interception in order to be able to carry out more in-depth study and discussion on it, so as to construct a legal monitoring system that suits our national conditions.