The direct impact of financial crises on Saudi economy was limited. But because of the dependence on oil production and export，the financial crises led to the decline of oil demand and prices and affected Saudi economy，resulting in the decline of oil income，deterioration of the term of trade，reduction of fiscal revenues，etc. The development of the key industries such as the down stream sector encountered financial problem. The Saudi government adopted positive fiscal and financial policies and took a series of measures to promote economic diversification，strengthen competitiveness.