Objective: To assess the physical activities and complications of diabetes among patients having type 2 diabetes mellitus (T2DM). Methods: We conducted a cross-sectional study inpatients having (T2DM) to measure the effect of physical activity and development of complication among the patients. Results: Most of patients having (T2DM) were elderly female with the low standard level of living. Just one-quarter of them was performing exercises and they had poor Diabetes control evident by the high blood glucose level the increasing levels of HbA1c,increase levels of total cholesterol and High-Density Lipoprotein. The reported complications included: retinopathy (30 %), neuropathy (25 %), cardiovascular system diseases (13 %), blood vessel diseases (9%) and nephropathy (6 %) respectively. Conclusions: Physical activity carries significant benefits offered to patients having (T2DM) and there is a need to address physical activity and prescribed it to the patients to prevent, control and postpone the appearance of the complication of the (T2DM).