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Background: The effect of perioperative oral nutritional supplementation (ONS) on elderly hip-surgery patients is still controversial.This study intends to find out whether perioperative ONS is beneficial for the rehabilitation of elderly hip-surgery patients.Materials and Methods: We searched the databases including PubMed, EMBASE, and Cochrane Central Register of Controlled Trials for articles published up to May 2014.Randomized controlled trials of ONS for elderly hip-surgery patients were included.Results: The combined trials showed the ONS had a positive effect on the serum total protein (P<0.00001).Besides, there was a significant decline on complications (P=0.0005).