Pain in the lymph nodes of the stomach is commonly secondary to inflammation or infection of the abdominal cavity, that is, the development of abdominal lymphadenitis, the patient will also experience abdominal distension, nausea, vomiting, for the disease caused by inflammation, the most effective treatment means is anti-inflammatory therapy, you can choose a broad-spectrum β-lactam antibacterial agent, combined with metronidazole intravenous input. During the treatment period, attention should be paid to dietary modification. If there is no obvious abnormal bowel movement, a full liquid diet can be consumed, paying attention to small and frequent meals, not overeating, not eating spicy food, fried food, greasy food, because these foods are not easy to digest and are not conducive to the recovery of abdominal and abdominal pain symptoms. During the treatment period, attention should be paid to monitoring the changes in laboratory indicators, mainly routine blood and biochemical tests, and also to maintaining the stability of the internal environment and preventing ionic disorders.