The benefits of ventriculoperitoneal shunts are well known in themanagement of hydrocephalus. Unfortunately, the complications associated with are not uncommon. The aim of this work is to review the hydrocephalus and its management with discussing the causes of VP shunt malfunction and the obvious means to reduce their complications. The study was done on 50 cases with shunt malfunction, 48% were presented with shunt obstruction while 30% for infection, the remaining 22% of cases for miscellaneous complications. To conclude, selecting the proper device, improving the general condition of patients and good surgical technique can reduce the complications.