There is no serious harm in moderate consumption of oligofructose by babies, but if consumed in excess, it can lead to diarrhea and intestinal cramps. Oligofructose belongs to a kind of water-soluble dietary fiber, which is present in many infant formulas. An important function of oligofructose is to regulate intestinal flora, it can selectively stimulate the activity of probiotics such as bifidobacteria in the colon, which can promote the growth of beneficial intestinal bacteria, while also reducing the number of harmful flora. At the same time, oligofructose can also soften stools, relieve constipation, baby appropriate consumption is usually no serious harm. However, it should be noted that excessive consumption of oligofructose can lead to thinning of stools, increased intestinal peristalsis, triggering abdominal pain, intestinal cramps and so on. If there is any discomfort, it is recommended to consult a doctor promptly.