Gastritis is usually seen in gastroenterology. Gastritis is an inflammatory lesion of the gastric mucosa, which is one of the most common diseases of the digestive system and can be categorized into acute gastritis, chronic gastritis and special types of gastritis. You need to go to the hospital to see the gastroenterology department for a comprehensive examination to identify the specific causes of gastritis for targeted treatment. In addition, if the patient’s symptoms are more prominent, manifested as acute epigastric pain, vomiting blood, black stools, etc., then you can consult the emergency department for appropriate examination and treatment. Gastritis can be based on the size of the hospital and their own clinical symptoms, consult the doctor at the hospital’s guidance desk, choose the appropriate department to avoid delays.