The causes of epigastric pain are complex. Left epigastric pain is commonly associated with chronic gastritis, gastric ulcer, acute pancreatitis, herpes zoster and lobar pneumonia; it can also be seen in the early stages of appendicitis; some cancers can also manifest as left epigastric pain, such as gastric cancer and pancreatic cancer. It is recommended to go to the hospital for further examination to clarify the cause and treat the symptoms.