In patients with enlarged peritoneal lymph nodes, some cases are more serious, while others are less serious, depending on the causative agent causing the lymph node enlargement. If a bacterial or viral infection is the cause, it is usually less serious and can be treated with medication. At the same time, it is necessary to adjust the diet structure, for example, not to drink drinks containing alcohol, do not eat too spicy food, appropriate intake of fresh fruits and green vegetables, the enlarged lymph nodes can gradually subside. If the lymph nodes are enlarged due to malignant tumors, it is very serious and often suggests that the tumor is in the middle or late stage, so it is necessary to improve the corresponding examination as soon as possible, and then do radical resection of the tumor, together with lymph node dissection. According to the pathological results, chemotherapy, targeted drug therapy, traditional Chinese medicine therapy, radiotherapy and other related treatments may be needed in the later stage.