Children’s abdominal lymph node swelling may be lymphoma, abdominal infection equal to cause, to go to the hospital in time, under the guidance of the doctor symptomatic treatment. 1. Lymphoma: malignant tumors originated from lymphatic hematopoietic system, may appear lymph node swelling, fever, emaciation and other symptoms, need to go to the hospital in time, under the guidance of the doctor through surgical resection, the condition is serious, affecting the life and health. 2. Abdominal infections:Infections occurring in the abdominal cavity, retroperitoneum and abdominal organs, may appear lymph node swelling, vomiting, diarrhea and other symptoms, you can take ampicillin, cefazolin and other drugs under the guidance of the doctor for treatment. Pay attention to keep warm, avoid colds, eat more fresh fruits and vegetables, avoid inhaling second-hand smoke, pay attention to rest, drink more water; discomfort, timely consultation, so as not to delay the condition.