Diabetes mellitus is an increasing health problem worldwide.With the increased prevalence,the diabetes-related complications,including neuropathy,retinopathy,nephropathy as well as cardiovascular and cerebrovascular diseases,become much more common,and has gradually increased the burden on the individuals and healthcare systems.For the patients with type 2 diabetes mellitus,the prevention and management measures mainly include glucose control and lifestyle interventions.It has been confirmed that lifestyle interventions seem to be at least as effective as pharmacological interventions in people with impaired glucose tolerance.Therefore,interventions to lifestyle are very important for preventing diabetes mellitus.In this article,the prevention measures of diabetes mellitus were analyzed and summarized through lifestyle interventions,mainly in the aspects of daily diet and exercise management. Diabetes mellitus is an increasing health problem worldwide.With the increased prevalence, the diabetes-related complications, including neuropathy, retinopathy, nephropathy as well as cardiovascular and cerebrovascular diseases, become much more common, and has gradually increased the burden on the individuals and healthcare systems. For the patients with type 2 diabetes mellitus, the prevention and management measures mainly include glucose control and lifestyle interventions .It has been confirmed that lifestyle interventions seem to be at least as effective as pharmacological interventions in people with impaired glucose tolerance. Beforefore, interventions to lifestyle are very important for preventing diabetes mellitus. in this article, the prevention measures of diabetes mellitus were analyzed and summarized through lifestyle interventions, mainly in the aspects of daily diet and exercise management.