The severity of multiple lymph nodes in the abdominal cavity should be evaluated comprehensively according to the different causes leading to enlarged lymph nodes: 1. If the multiple lymph nodes are caused by infections in the abdominal cavity, the enlarged lymph nodes can slowly subside after the infection is controlled, and in this case, it will not have a great impact on the patient’s life. However, very few serious infections in the abdominal cavity, such as acute severe necrotizing pancreatitis and duodenal stump fistula can also seriously endanger patients’ lives. although this infection is an inflammatory disease, it has a great impact on the human body due to the rapid progress and development of the disease. 2. if multiple lymph nodes are enlarged caused by malignant tumors in the abdominal cavity, it can seriously threaten patients’ lives, such as advanced gastric cancer and colorectal malignant tumors, which can be caused by Extensive metastasis of lymph nodes in abdominal cavity, which cannot be removed completely by surgery, and the prognosis of patients is very poor.