DPP4 is a multifunctional enzyme, which serves as a binding partner for numerous peptides, DPP4 is involved in signaling processes, immune cell activation, and its dysregulated expression and release is associated with numerous diseases. In patients with T2DM, the incretin effect is markedly reduced, and this has been attributed to defects in the secretion and insulinotropic action of the two main incretin hormones, namely glucose-dependent insulinotrophic polypeptide (GIP) and glucagon-like peptide 1 (GLP-1) which are rapidly destructed by DPP4 enzymeMay be to ponder DPP4 level clinched alongside diabetic patients Also to assess its relationship for glycemic control What's more diabetic difficulties 72 egyptian diabetic patients orchestrated done 3 groups, aggregation 1: 35 diabetic patients with ―microvascular complication‖, one assembly 2: included 37 diabetic patients without microvascular muddling and 10 Obviously sound control subjects. Every last one of Emulating lab. Investigations were accomplished for every last one of candidates: fasting What's more two-hour postprandial plasma glucose, HbA1C, lipid profile ―fasting serum triglyceride, aggregate cholesterol, HDL-C and LDL-C‖, serum creatinine, pee egg whites / creatinine ratio, dipeptidyl peptidase v (DPP4) level On serum. DPP4 levels were altogether higher On dm without, dm with difficulties At contrasted with sound control bunches. DPP4 demonstrated no critical distinction for dm for difficulties The point when contrasted with dm without difficulties. Serum DPP4 focuses would raised Previously, patients for sort 2 diabetes when contrasted with control aggregation and the utilization of ACR Similarly as An danger variable to improvement for micro vascular muddling is favoring over the utilization of raised DPP4 focuses.