You need to pay attention to the bleeding area and check for any abnormalities in the teeth and abnormalities in the stomach.
If there is toothache and bleeding gums, it is most likely to be an intra-oral disease such as periodontitis.
If there is stomach pain and stomach fullness, you need to improve the gastroscopy, X-ray and other examinations to consider whether there is organic lesions in the stomach, at this time, you need to promptly consult the gastroenterology department for a clear diagnosis.