Background. Functional dyspepsia is the commonest cause for medical consultation whorldwide.h pylori also infects more than 50% of the population.we studied the prevalence of h pylori in our dyspeptic patients and compared them with published literature.also smoking has a profound in fluence on symptomatology.wealso studied the difference in hp prevalence in smokers and non smokers. Aim. To see the prevalence of hpylori in dyspeptic patients to compare our findings with published literature. To study the impact of smoking on hpylori materials and methods. Patients attending our hospital with dyspeptic syrpptoms from aug2008 to may 2009 were included.a detailed history, examination, cbc, blood biochemistr/, ultrasound, endoscopy were done Patients with History of ppi, antibiotic use within 2 weeks was specifically taken as exclusion criteria .details of smoking habits were taken.hpylori was detected using the rut. Results:173/224 were classified as functional dvspepsia|77.2%).there were 135 males and 89 ladies h the age grouplfi to 72(mean 44.6+14.6yrs)peptic ulcers were seen in 7.5%,ca stomach in 4%,erosive gastritis in 5.8%,miscellaneous 3.5%. 102/173(59%)were positive for hpylori.amongst the various age gruops showing hpylori positlvity,25/36 were>60 yeans|70%], and61.7% in 30to 39 years.There were 29 smokers.hp was detected in 24(82.8%). Conclusion:. Hpylori was seen in 59% of our subjects with non ulcer dyspepsia .this compared well with published literature. H.pylori was significantly higher in the smokers.