 This is a multi-center, single arm, open-label, prospective IIS study, which will enroll 40 recurrent MCL patients.The aim is to evaluate the efficacy and safety of bortezomib, fludarabine and cyclophosphamide treatment and also analyze the relationship between NF-kB activity and efficacy of bortezomib treatment and whether NF-kB activity can predict MCL progression. 