Recently, laparoscopic surgery for gastric cancer is very interesting topic in the treatment of gastric cancer. Therefore,many surgeons are attempting laparoscopic surgery. However, the technique of this surgery has never been established yet. From July 1997 to July 2006, we performed laparoscopic surgeries for 420 cases of gastric cancer with lymph node dissection. We have describe our technical advances in laparoscopic treatment for gastric cancer along with the clinical outcomes.