Can tolerate the cT1~3N0~1M0 phase II type II esophageal gastric junction adenocarcinoma patients with the corresponding operation, the past or present without radiotherapy, chemotherapy, nearly 5 years without any other malignant tumor history. According to the research design, random access to minimally invasive surgery group or traditional open surgery group. The follow-up procedure, if the cause of the disease or the treatment of the disease has been confirmed, such as the need for adjuvant chemotherapy, should be treated accordingly, according to the statistics appear to be accompanied by the interference to explain and deal with.