Recently, the combination of mobile and NFC aroused great momentum for Activation of NFC services market. Especially, mCoupon service using NFC has been utilized in a variety consumer marketing. However, mCoupons differ significantly from paper-based coupons because unprotected data can be easily copied or modified without significant cost by anyone. A high number of uncontrolled copies of coupons can result in a significant loss. In this paper, we proposed a light-weight signature scheme that is protected against illegal use in nfc mobile payment environment to using limited resources.