Background
: Helicobater pylori are gram-negative spiral bacteria that are associated with gastritis, peptic ulcer, and gastric cancer.

Methods : For detection of Helicobacter pylori infection, we studied 109 patients with upper gastrointestinal disorders from January 1994 to August 1994. The results are as follows.

Results : 1. The reviewed patients was 78 men(71.6%) & 31 Women(28.4%) and average age of them was 51±10.6.
2. H. pylori was isolated from 55(50.5%) cased among 109 patients.
3. According to the endoscopic diagnosis, the detection rates of H.pylori was 56% in gastritis, 53.8% in gastric ulcer, 31.3% in gastric cancer & 25.0% in gastric polyp.
4. According to the anatomical position of stomach, 57.1% in antrum, 44.5% in body, 50.0% in angle, and 33.3% in pylorus.

Conclusion : In conclusion, there was a strong association between the detection of H.pylori and stomach disease, especially gastritis & gastric ulcer.