Background: According to BPPK of health department in 2008, gastric ulcers ranks 10 in cause of mortality on male with age group 45-54 at Indonesia. To date, there is no report of gastric perforation characteristic at Haji Adam Malik General Hospital Medan. Methods: This was a non-experimental study with descriptive retrospective design. Data retrieved from patientsâ€™ medical record with diagnosis of gastric perforation at Haji Adam Malik General Hospital Medan on January 2011-December 2014. Results: Majority of patients involved in this study was male with 44 subjects (78.6%), while female was 12 subjects (21.4%). The most frequent age group with gastric perforation was 47-53 and 61-67 years old and the least frequent age group was 40-46 years old and 75-81 years old. 28 subjects were patients with type 3 gastric perforation and no type 2 gastric perforation was found. Histopathology examination revealed that no malignancy was found. Majority of subjects both in male and female use NSAID. Conclusions: Majority of subjects was male. The most frequent age group with gastric perforation was 47-53 and 61-67 years old. The most frequent type of gastric perforation was type 3. Histopathology examination showed that all subjects were with chronic inflammation.