The clinical survey of intraoral condition has been performed for the patients who received the surgical therapy of malignant tumors of the gastrointestinal region in order to promote the intraoral management in perioperative periods effectively. And, case report article was published regarding to the relationship between postoperative recovery of the esophageal cancer patient and orally nutrition approaches. Furthermore, 2nd Advanced perioperative dental approach symposium was held at January 26th, 2014. In this meeting, discussions with the nationwide practitioners were performed to exchange the opinion of the newest finding of oral functional management in perioperative periods, develop the novel approach in perioperative oral management and verify these efficacies in order to future applications.