Payment card and payment method

The invention provides a payment card and a payment method, and relates to the technical field of Internet of Things. According to the technical scheme provided by the invention, transaction payment can be initiated after the payment card supplies power in a wireless charging mode. The payment card includes a near field communication (NFC) antenna for transmitting or receiving a radio frequency signal, and a wireless charging antenna for wireless charging. After being powered by the wireless charging antenna, the payment card transmits a first radio frequency signal for instructing an opposite-side device to increase or decrease the amount of money in the opposite-side device through the NFC antenna. The payment card decreases or increases the amount of money in the payment card upon receiving a second radio frequency signal indicating successful increase or decrease of the amount of money in the counterside device. The payment card and the payment method are used in a mobile payment process. 本申请提供一种支付卡及支付方法，