This presentation describes biographical-narrative research and proposes different methodological suggestions for its use in applied linguistics. This kind of qualitative research, also named narrative inquiry, is a methodology that is used with the aim of understanding different phenomena from individual experiences. By using narrative research it is possible to study aspects such as second language acquisition processes, cultural awareness, and intercultural sensitivity development, from the students’ perspective. The biographical-narrative research encompasses different approaches and modes of data collection, such as dairies and linguistic life stories. This presentation focus on linguistic life stories and describes how to use and analyze them in second language acquisition research. It is divided into three parts. First, there is a brief presentation of biographical-narrative research methodology and its objectives. Second, it describes the different means of data collection, with an emphasis on linguistic life stories. Third, it proposes suggestions on how to analyze and interpret the life stories, and how to present the results obtained from the analysis.