Smelly farts every few days may be caused by imperfect gastrointestinal development or constipation, which can be treated with oral probiotics and dietary adjustments. Children every few days farting may be due to the child’s gastrointestinal function is not fully complete, the stool is left in the intestinal tract and fermentation, there may be a decrease in the number of bowel movements and farting symptoms, at this time there is no need to carry out special treatment; if it is due to constipation, you can orally take some probiotics to regulate the intestinal flora to promote intestinal peristalsis. It should be noted that the child should properly regulate the diet, light diet, reduce the consumption of cold and greasy food, to ensure a good diet. If the child has a long-term situation of smelly farts every few days, need to go to the hospital as soon as possible, by the doctor according to the specific conditions, to develop individualized diagnosis and treatment plan, so as not to delay the condition.