There are benign and malignant, acute and chronic abdominal lymph node enlargement in children, so please take your child to a local hospital for examination to confirm the cause before deciding how to treat. Pediatric abdominal lymph node enlargement is mostly due to inflammation of abdominal mesenteric lymph nodes, many children have this phenomenon, which can be judged by ultrasound examination, this disease is common in 2 to 10 years old, manifested as continuous or paroxysmal abdominal pain, some children are accompanied by runny nose, cough, sore throat, a small number of children are accompanied by nausea, vomiting, diarrhea, abdominal distension and other symptoms, mesenteric lymph node enlargement mostly occurs in the mesentery of the unending ileum, due to intestinal contents in the ileum This is not necessary for special treatment, and there is no need to use antibiotics, but to adjust the child’s good eating habits, do not eat iced food, do not eat junk food, eat more vegetables and fruits, pay attention to less food and more meals, timely defecation, pay more attention to rest, and avoid cold and flu. The very large lymph nodes will be rechecked in 1 to 3 months with abdominal ultrasound. Most children will be cured gradually after the age of 10.