To provide a foreign exchange transaction system capable of efficiently hedging risks of foreign exchange market fluctuation while securing maneuverability in a foreign exchange transaction.

In the foreign exchange transaction system, a plurality of market makers 4 provide support prices, a transaction limit to each customer is set, and when there is a limit order of selling or buying in the foreign exchange transaction from a client 6 which is a device of the customer, a foreign exchange transaction center 1 carries out a matching process of the order of the client 6 and the support prices provided by the market makers 4 within a range of the transaction limit of the customer to conclude the foreign exchange transaction.

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