If a newborn does not poop for six days and only farts, it is mainly considered to be caused by low milk intake and constipation, as follows: 1. Low milk intake: If a newborn eats less milk, it can’t form a large enough fecal mass, and there will be no poop. Because the newborn’s gastrointestinal tract is smooth, at this time, although not stool, but there will be farting. At this time only need to give the newborn timely increase the amount of breastfeeding, stool will usually be normally discharged, parents do not need to worry too much; 2, constipation: the reason why the newborn six days do not poop and only farting, may be due to the dryness of the stool caused by not being able to autonomously discharge stool, you can use your hands in time to massage the abdomen clockwise, generally each time to knead for 10-15 minutes, morning and evening each time to carry out. You can also give the newborn baby probiotics treatment, such as small Pepcid, mamma love and so on.