Background and objective It has been proven that medium chain triglyceride (MCT) diet was contrib-ute to fast track recovery atfer surgery in patients with operation. In this study, the beneift of postoperative short term MCT diet support was investigated for non-small cell lung cancer patients who underwent anatomic resection.Methods A prospec-tive study was planned with the approval of our institutional review board. 117 lung cancer patients who underwent anatomic resection in a single medical group between December 2015 and March 2016 were randomized. 62 patients were applied a MCT diet. and 55 patients in the control group who were fed with only normal diet, and the serum albumin levels, anus ex-haust time, chest drainage, chest drainage time, the hospitalization time of post operation, average hospital cost were analysed. Results The mean anus exhaust time in MCT group [(27.87±14.38) h] was significantly shorter than that in RDG group [(45.18±8.62) h] (P<0.001); hTe mean chest tube drainage time in MCT group [(75.40±48.41) h] were less than that in RDG group [(110.64±94.19) h] (P=0.025). The mean chest tube drainage volume in MCT group [395 mL] were less than that in RDG group [590 mL] (P=0.027). hTe hospitalization time of post operation was (5.26±2.96) d in MCT group against (6.73 ±3.99) d in RGD group (P=0.030). The serum albumin levels of postoperative in MCT group [(37.26±2.70) g/L)] was sig-niifcantly higher than that in RDG group [(35.92±3.12) g/L)] (P=0.023).Conclusion hTe results of this study demonstrated that postoperative short term MCT diet is beneifcial in postoperative gastrointestinal function fast recovered and shorten the hospitalization time in non-small cell lung cancer patients atfer surgery.