This symposium was ceremoniously held in Xian Kempinski Hotel from 2 to 4 September 2011. Around 60 people, including national famous experts in the digestion field and infection field and regional representatives participated the academic exchange. Our Bioflor product group participated the conference as one of the main sponsors. The consultant of the digestology group of Pediatric Branch of Chinese Medical Association, professor Dong yongsui addressed a lecture, and experts all shared the latest research development on viral diarrhea and enteric infection. This conference had positive function for academic exchange in the pediatric infection field and digestion field.