Summary 1)Acute simple gastritis is a very common and always accompanies with acute enteritis and should be differentiated with acute cholecystotitis,acute pancreatitis and myocardial infarction. 2)Acute hemorrhagic and erosive gastritis also is a common and severe diseases with bleeding and should be diagnosed under urgent gastroendoscopy and be treated with ice water, thrombin,somatostatin octreotide H2-antagonist and proton pump inhibitor. 15 Summary 1)Acute simple gastritis is a very common and always accompanies with acute enteritis and should be differentiated with acute cholecystotitis,acute pancreatitis and myocardial infarction. 2)Acute hemorrhagic and erosive gastritis also is a common and severe diseases with bleeding and should be diagnosed under urgent gastroendoscopy and be treated with ice water, thrombin,somatostatin octreotide H2-antagonist and proton pump inhibitor