Knowledge dialogues is a method of qualitative methodologies that seeks to understand, synthesize, theorize and contextualize knowledge. Knowledge dialogues is a suitable method to understand and identify health problems and needs of the population. Through knowledge dialogues and the reflection and discussion, they promote, community actors and health professionals can understand deeper concerns of each other. This article refers to the review of the subject of knowledge dialogues to explain how using this type of approach one can identify more closely the situation, problems and needs that people have. The article also presents a review of similar experiences, demonstrating the utility of this method. In conclusion it is suggested that knowledge dialogues remains a key factor to focus in the study and intervention of population groups, acknowledging its existence, together with integrating medical knowledge with traditional knowledge are part of primary health care (PHC).