Gastritis can have symptoms such as epigastric fullness, burning pain and acid reflux, and the specific performance varies according to acute gastritis and chronic gastritis. 1. Acute gastritis: refers to acute inflammation of gastric mucosa induced by trauma, surgery, stress, non-steroidal drugs and alcohol. The onset of the disease is more acute, often with epigastric pain, nausea and vomiting and other symptoms, severe cases can be accompanied by vomiting blood, black stools and other symptoms of gastrointestinal bleeding. 2. Chronic gastritis: refers to chronic inflammatory lesions of the gastric mucosa caused by Helicobacter pylori infection, drug side effects and other causes. Clinically more common, and clinical symptoms are often atypical, most of the patients can be no obvious symptoms and signs; part of or may be manifested as epigastric fullness or epigastric distension, burning pain, hiccups, acid reflux and other symptoms. Gastritis performance is often atypical, easy to cover up the condition due to mild symptoms, relying only on clinical manifestations can not be diagnosed, there are triggers or discomfort should seek professional medical advice in a timely manner.