Abstract: To explore the barriers and facilitators of breast cancer patients' participation in Shared Decision-Making, in order to provide reference for clinical implementation. Methods: By using purposive sampling and convenience sampling method, 16 breast cancer patients were recruited for semi-structured interviews from February to April 2019. Inductive content analysis was used to analyze the data, including identifying the meaningful unit, compressing the meaningful unit, encoding, inducting categories and themes. Results: Four themes and nine categories were extracted, which were the patients' cognition (cognitive diversification, the need for Shared Decision-Making); decision-making process (information exchange, value clarification); doctor-patient interaction (doctor-patient trust, decision support, doctor-patient relationship); clinical situation (time, workload). Conclusion: Several influencing factors of breast cancer patients' Shared Decision-Making implementation were identified. Clinical managers should pay attention to the needs of patients participate in Shared Decision-Making and identify the superiority of the influencing factors in clinical work, in order to develop a suitable Shared Decision-Making model in China.

Key words: breast cancer; Shared Decision-Making; barriers; facilitators; descriptive qualitative study