Abstract: [Purpose /significance] The collaboraive analysis of user search path and search intention conversion path is the key to deeply understand the characterstics of exploratory search behavior.This paper aims to reveal the collaborative relationship between the change of search intention and the change of search path, and to enrich the theoretical system of exploratory search.[Method /process] In this paper, 30 users were recruited to participate in the search experiment of exploratory task by using the user experiment method, and the data of users' search behavior was extracted.By using the methods of questionnaire and interview, the evolution pattern of users' search intention was excavated.[Result/conclusion] This study found that according to the cooperative law of search activity path and search intention conversion, different types of exploratory search user interaction can be distinguished: evaluation type, perception type,association type and intensive type. User' s search intention also relected the characteristics of ambiguity and insufficiency. This research empirically tested the evolution process of exploratory search, and provided a reference for mining more types of exploratory search behavior patterns.