Multiple swollen lymph nodes 0.8*1.3 cm in the abdominal cavity with exudation is generally considered to be caused by inflammation and infection, which is not particularly serious. There are many causes of multiple swollen lymph nodes in the abdominal cavity, such as inflammatory stimulation, tuberculosis infection, hematologic diseases (such as lymphoma, leukemia, etc.), metastasis of malignant tumors and so on. Clinical diagnosis can be assisted by ultrasound, CT (including enhancement), magnetic resonance, blood test, C-reactive protein, blood culture, tuberculin test, bone marrow aspiration and other tests. Multiple abdominal lymph node enlargement with exudation is generally considered to be caused by inflammation and infection, and can be given anti-inflammatory, anti-infection and other symptomatic treatment under the guidance of the doctor. It is recommended to avoid cold, avoid spicy stimulation in diet, eat more fresh vegetables and fruits, avoid smoking and alcohol, can be regularly reviewed abdominal ultrasound or CT.