The success of a country's economy can not be removed from the premises do other countries, especially in the form of international trade. Especially after the era of globalization can be sure every state will embrace an open economy, the international trade is crucial to improve the welfare. Even so it is with Indonesia as a developing country will try to increase its exports to earn foreign large. This is done for example by holding Indonesia's bilateral trade with the United States. Study aims to determine the effect of labor productivity Indonesia and the United States dollar appreciation against Indonesia's exports to the United States 1988-2012 period has been analyzed using the following simultaneous equations: XIA = a0 + a1 Q/TK + a2 ER ER = b0 + b1 NP-1 Calculation results obtained that influence labor productivity and the Indonesian rupiah against the United States dollar is positive for Indonesia's exports to the United States. Means an increase in labor productivity will be followed by an increase in Indonesian exports to the United States. Similarly, the decline in the exchange rate against the United States dollar will increase the value of Indonesia's exports to the United States. As for the equation of the rupiah against the United States dollar gained on the calculation that the international trade balance variable periods of previously having a positive influence on the exchange rate against the United States dollar. Means that these variables can lead to depreciation of the rupiah.