Objective:to observe the curative effect of type 2 diabetes treated with novonorm combined with metformin. Method:34 patients diagnosed with type 2 diabetes on clinic were treated with novonorm combined with metformin for 6 months.Results:the comparison between fasting blood - glucose,postprandial plasma glucose and glycosylated hemoglobin before and after administration indicated significant difference(P0.05).Conclusion:the curative effect of type 2 diabetes treated with novonorm combined with metformin was prominent.