Information that the right of the gas field development with new China was newly granted to the China companies in the exclusive economic zone (EEZ) in Japan of the East China Sea on the problem to which China is advancing gas field development in the water area of the China side near the Japan-China boundary line (middle line) of the East China Sea was clarified. why China grants the right of development of EEZ of Japan ? This has a possibility of becoming the EEZ invasion by China. Japan needs to inquire a fact relation of China to this problem. We should not yield decisively. China is how far haughty. The state which international law does not understand is a barbarous state.