Inclusion Criteria:  (1) are diagnosed with breast cancer (including various cancer stages and subtypes); (2) are aged 18-45 years; (3) can sign written informed consent; (4) can read and write Chinese; (5) have severe FCR, with scores > 13 on the FCRI severity subscale.  Exclusion Criteria:  (1) currently have psychiatric and psychological illness; (2) have other types of tumor; (3) had a previous cancer recurrence; (4) are participating another psychological intervention at the start of the study or during their eight-week therapy.