Constructing China's Currency Structure of Foreign Exchange Reserve

Based on Markowitz' theory of asset portfolio,this paper constructs China's currency structure with factors influencing foreign exchange reserve.This currency structure has remarkable power of endurance in international financial market,and it's beneficial to dispersing risk.To minimize the risk,China should strengthen internationalization of RMB and make it become an international currency;at the same time,China should also pay great attention to the change of world financial market and the trend of exchange rate,timely adjust currency structure of foreign exchange reserve and realize its diversification.