Method: This study is a blinded randomized trial. 70 patients with colorectal cancer will undergo laparoscopic colorectal resection, and will be divided into two groups. Protocols for fast-track group includes skipping preoperative mechanical bowel preparation, early restoration of diet and early postoperative ambulation. Outcome measures, length of hospital stay, postoperative surgical stress response (C reactive protein) and postoperative complications will be compared between the two groups.