Objective To evaluate the efficacy of plant polyphenols on sarcopenia in the elderly.Methods Relevant studies on the prevention and improvement of sarcopenia by plant polyphenols were searched in PubMed， Web of Science， Scopus， China National Knowledge Infrastructure （CNKI） and Wanfang databases. Meta-analysis was performed on the included randomized controlled trials using Review Manager 5.4 statistical software.Results A total of 9 randomized controlled studies were included after screening. The results of the Meta-analysis demonstrated that plant polyphenols could significantly reduce the body weight， fat mass and lean body mass of the elderly.Conclusion Plant polyphenols cannot prevent sarcopenia by improving the muscle mass of the elderly.