China's banking institutions, especially policy banks, have played an important role in the process of Going Out policy of Chinese enterprises and capital. However, Anbound research team noted that many of the policy banks' lack of sustainability, or even practicality, are exposing themselves to more and more risks while implementing overseas expansion. The large amount of overseas investment in China and the limited foreign exchange reserves in China will require the government and banking institutions to seriously review the past policy gains and losses and reconsider the overseas investment, aid strategies and models, in order to narrow the overseas business risk exposure.