There is no fastest treatment for pediatric mesenteric lymph node abdominal pain, common treatments are given to treat the primary disease, with the regulation of intestinal flora drugs, such as bifidobacteria triple live bacterial tablets and so on. Pediatric mesenteric lymph node abdominal pain is commonly caused by cold and flu, if there is no obvious sign of bacterial infection, given to clear the heat and detoxification drugs, such as pediatric Bei Qiao Qing Hei Granules, if the combination of bacterial infection, given to antibiotics (such as cefixime) treatment. In addition, with the regulation of intestinal flora drugs, such as bifidobacterium bifidum triple live bacterial tablets or bacillus subtilis tablets, or infant spleen powder or wake up the spleen and nourish the child granules, etc.. Pay attention to eating less cold food and greasy food. Pay attention to keep the abdomen warm. Try to avoid colds, reasonable diet, regular work and rest, appropriate exercise.