The purpose of this study is to explore the context of counselor using the key questions ( e.g. pretreatment/between-session change questions, exception questions, hypothetical questions, and scaling questions), and the relationships between key questions and clients’ responses. The subjects are 4 clients recruited from a Community Counseling Center in central Taiwan, and 2 counselors mastering in SFBC are used. After counseling, interviewing are given to clients to understand their responses to key questions. Audio-tapes are used to record data both the process of counseling and interview. 21 counseling transcripts and 17 interview transcripts are used to analysis and answer research questions. The results are presented along with each category of key questions and clients’ responses. Further suggestions are recommended.