Abstract: Engineering contracting projects outside the country by the political, economic, social, environmental and climatic conditions, the impact, usually with elements of uncertainty, risk, long cycle and so on. In addition, due to the project in which the countries in different regions of the applicable laws, rules and regulations are different, which is contracted projects overseas financial management challenges. This paper intends to contract projects outside the company encountered financial management, capital management, cost control and external accounts in three areas of tax administration to discuss key issues and analysis.