The 3rd BINC Annual Symposium was held on 16-19th Nov 2017 in Guangzhou. More than 100 leading experts from comprehensive fields including nutrition, microbiota, pediatrics, obstetrics, skin care and psychology participated. Renowned experts presented informative lectures. Three debates demonstrated cross-discipline discussion regarding hot topics of maternal and infant health. In addition, there was a poster session to show latest results of BINC research programs.