Objective To retrieve,appraise and integrate the available evidence of exercise regimens for gestational diabetes mellitus patients,and to provide foundation for decision-making in clinical nursing practice. Methods We searched the BMJ Best Practice,UpToData,Guidelines International Network(GIN),Registered Nurses’ Association of Ontario(RNAO),American Diabetes Association(ADA),Chinese Medlive Guidelines Network,Cochrane Library,PubMed,CNKI,Wanfang Date to collect all articles on exercise regimens for gestational diabetes mellitus,including guidelines,systematic reviews,evidence summaries,recommended practice and expert consensuses. The retrieval period was from the inception to May 2019. JBI evidence appraisal and recommendation system was used to evaluate quality of studies and level of evidence. Results Totally 16 articles were selected,and a total of 31 items of best evidence were summarized from 8 aspects,including applicable population of gestational diabetes exercise interventions,benefits,risks,assessments,types,intensity,time and precautions. Conclusion Moderate exercise is safe and effective for patients with gestational diabetes. Clinical nurses should guide patients to exercise moderately during pregnancy by applying the best evidence with scientific nursing intervention.