The 15th World Congress of Endoscopic Surgery (WCES 2016) in conjunction with Endoscopic and Laparoscopic Surgeons of Asia (ELSA 2016) and 15th Chinese National Congress of Laparoscopic and Endoscopic Surgery (CSLES 2016) was held successfully from Nov. 9th to Nov. 12th in Suzhou, China. The international experts from all around the word gather in this academic feast to discuss hot topics of laparoscopic and endoscopic field.