To provide a disaster area support system suitable for individual-level supporter to help disaster countermeasures.SOLUTION: A disaster area support system 1 includes an electronic commerce transaction support apparatus 10 that is managed and operated by a sales entity, and a communication terminal 20 operated by an orderer. In an input unit of the communication terminal 20, the orderer selects a disaster area to be supported and a supplies to be purchased, determines an amount to be delivered to the orderer and an amount delivered to the selected disaster area of the supplies to be purchased, delivers supplies to be purchased to the orderer and the selected disaster area based on input information at the input unit, and the orderer who receives the delivery of the supplies to be purchased makes a prescribed payment.SELECTED DRAWING: Figure 1
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