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Gastric cancer surgery with curative intent comprises subtotal or total gastrectomy with radical lymph node dissection. Recently, as the incidence of early gastric cancer (EGC) is increasing, minimally invasive surgery can be applied to gastric cancer treatment. Minimally invasive gastric surgery has four aspects such as minimally invasive access, modified function-preserving gastrectomy, limited lymphadenectomy, and no reconstruction. Laparoscopic gastrectomy became popular for EGC and its indication is being expanded to advanced gastric cancer. Reduced or single port gastrectomy can be performed for selective EGC. For middle or upper EGC, laparoscopic pylorus-preserving gastrectomy or proximal gastrectomy is applicable as function-preserving gastrectomy. D1+ node dissection is enough for EGC without lymph node metastasis and sentinel node biopsy will be helpful for avoiding unnecessary lymph node dissection in EGC patients.