This study is to explore the practing situations of nurse staff serving in the respiratory care centers. The entire research was proceed with two phases. Firstly, I adopt interview and literatures-review to modify the first-rounded questionnaires of Delphi Technique. Afterward, perform the Delphi Techinique process. There are 18 senior nurses of the respirtory care centers had participated in this 3-rounded questionnaires and the returning proportion has reached 100%. The results indicated that: totally 9 categories including 50 items of nursing situations in the respiratory care centers. The situations which valued highly in both importance and occurring among all have 7 categories and 14 items, while the ones valued highly in importance but moderate occurring situations have 8 categories including 26 items, the ones valued highly in importance but low occurring situations have 4 categories and 10 items. The conclusion could assist not only for the nurse staff to understand the characteristics and necessities of this respiratory nursing field but also for the managers to process competencies analysis. Furthermore, it could facilitate designing the nursing situations of modular curriculum.