Abstract: Objective To investigate the clinical manifestation, pathogenesis and therapy of later capsular block syndrome (CBS) after cataract-phacoemulsif cation with intraocular lens (IOL) implantation． Methods Five patients (5 eyes) admitted to our hospital from June 2012 to June 2013 were retrospectively analyzed, and they all took the treatment with capsule of lens and capsular liquid． Results Five eyes of late postoperative CBS all had anterior capsular opening block, IOL moving forward, and posterior capsule expansion, which occurred in 1 year to 6 years (average, 3．6 years) after cataract-phacoemulsif cation with IOL implantation, and 2 eyes were flled with milky liquid in the capsule． UCVA (naked vision) improved in all patients after treatment with capsule release and aspiration of the capsular liquid． Conclusion Capsule release and aspiration of the capsular liquid are the effective treatment methods for late postoperative CBS．