The present study is based on 53 cases of acute gastritis collected from the files of our clinic. Those were caused by raw fish (32.1%), alcohol (11.3%), aspirin (1.9%), overeating (1.9%), overwork (1.9%), anisais (1.9%) and unknown (49.1%). Radiological findings of acute gastritis gastritis are as follows : In regard to those locations, 19 cases (35.8%) are found at the antrum, 13 (24.5%) at the angle from the antrum, 10 (18.9%) at the corpus from the antrum, 5 (9.4%) at the angle, 3 (5.7%) at the corpus and 3 (5.7%) at the corpus from the angle. At the upright picture filled with barium, hyperperistalsis (15.1%), hypertony (71.7%), widened gastric angle(83.0%)…