Part I-Introduction -- ESSENSE Project for Patient's Sound Recovery -- Part II-Mitigative Methods for Biological Invasive Reaction -- Minimizing the Length of the Preoperative Fasting Period to Prevent Stress and Dehydration -- Preoperative Bowel Preparation in ERAS Program: Would-be Merits or Demerits -- Objective and quantitative assessment of postoperative pain in digestive surgery -- Part III-Early Independence of Physical Activity -- Pros and Cons of Abdominal Drain in Digestive Surgery -- Avoiding gut starvation is key to early recovery after surgery -- Part IV-Reduction of Perioperative Anxiety and Excitation of Recovery Will -- Reduction of Perioperative Anxiety before Surgery and to Incentives to Get Well by Patients Themselves -- Perioperative Management for Early Recovery after Esophageal Cancer Surgery -- ERAS for gastric surgery -- Negative effects of mechanical bowel preparation on the postoperative intestinal motility of patients with colorectal cancer -- Enhanced recovery after surgery program for patients undergoing resection of hepatocellular carcinoma -- Enhanced Recovery after Surgery (ERAS) for Postoperative Pediatric Surgical Disorders -- Enhanced Recovery (Fast-track) after Cardiac and Vascular Surgery -- ERAS in the respiratory surgery.