It is possible to have pain to the left of the navel with gastroscopic erosive gastritis, but it is usually more pronounced in the upper left abdomen. If pain in the lower left abdomen is also present, urologic, gynecologic or intestinal disorders should also be considered. Gastroscopy erosive gastritis is that the gastric mucosa has an ulcerated surface, the stomach is located roughly in the upper abdomen to the left, below the raphe, above the umbilicus, so that when various reasons to stimulate the ulcerated surface of the stomach, it is possible to lead to the left side of the navel pain, especially the left side of the navel above the pain will be more pronounced, and may be accompanied by heartburn, acid reflux and other symptoms. If the lower left side of the navel pain is also obvious, but also to consider the urinary system, such as cystitis, gynecological system, pelvic inflammatory disease, adnexitis, endometritis, etc., and intestinal diseases such as colitis, intestinal obstruction. If there is erosive gastritis or pain on the left side of the navel, it is recommended to consult a doctor in a timely manner, under the guidance of a doctor to clarify the cause and targeted treatment, do not take medication, so as to avoid delaying the condition.