Phacoemulsification is favored nowadays for its small incision, minimal postoperative astigmatism and earlier visual recovery.However, as all surgical techniques the use of phacoemulsification may be associated by occurrence of many complications especially in the learning curve. These complications may occur intraoperatively as: retrobulbar hemorrhage, expulsive hemorrhage, globe penetratation during regional anesthesia, posterior capsule rupture with or without vitreous loss, dropped nucleus or nuclear fragments. And the complications may occur postoperatively as: pseudophakic retinal detachment, endophthalmitis, dropped intraocular lens and cystoid macular edema. Good management of most of these complications will result in good visual outcome.