An emulated card selection method, wherein the method is implemented on a mobile device (200, 240, 250) having an NFC function, a first emulated card and a second emulated card are configured on the mobile device (200, 240, 250), and the method comprises: when detecting an NFC radio frequency field, detecting, by the mobile device (200, 240, 250), whether a front side of the mobile device (200, 240, 250) is close to an NFC card reader (2420, 2520); selecting, by the mobile device (200, 240, 250), the first emulated card if the front side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520); or selecting, by the mobile device (200, 240, 250), the second emulated card if the front side of the mobile device (200, 240, 250) is not close to the NFC card reader (2420, 2520); and performing, by the mobile device (200, 240, 250), NFC interaction with the NFC card reader (2420, 2520) based on the selected first emulated card or second emulated card; wherein a front-facing camera (235, 246, 256) is disposed on the mobile device (200, 240, 250), and the detecting, by the mobile device (200, 240, 250), whether a front side of the mobile device (200, 240, 250) is close to an NFC card reader (2420, 2520) when detecting an NFC radio frequency field is specifically: when detecting the NFC radio frequency field, obtaining, by the mobile device (200, 240, 250), information collected by the front-facing camera (235, 246, 256), and determining whether there is a portrait in the information collected by the front-facing camera (235, 246, 256), wherein a rear side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520) if there is the portrait in the information collected by the front-facing camera (235, 246, 256), or the front side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520) if there is no portrait in the information collected by the front-facing camera (235, 246, 256). when detecting an NFC radio frequency field, detecting, by the mobile device (200, 240, 250), whether a front side of the mobile device (200, 240, 250) is close to an NFC card reader (2420, 2520); selecting, by the mobile device (200, 240, 250), the first emulated card if the front side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520); or selecting, by the mobile device (200, 240, 250), the second emulated card if the front side of the mobile device (200, 240, 250) is not close to the NFC card reader (2420, 2520); and performing, by the mobile device (200, 240, 250), NFC interaction with the NFC card reader (2420, 2520) based on the selected first emulated card or second emulated card; wherein a front-facing camera (235, 246, 256) is disposed on the mobile device (200, 240, 250), and the detecting, by the mobile device (200, 240, 250), whether a front side of the mobile device (200, 240, 250) is close to an NFC card reader (2420, 2520) when detecting an NFC radio frequency field is specifically: when detecting the NFC radio frequency field, obtaining, by the mobile device (200, 240, 250), information collected by the front-facing camera (235, 246, 256), and determining whether there is a portrait in the information collected by the front-facing camera (235, 246, 256), wherein a rear side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520) if there is the portrait in the information collected by the front-facing camera (235, 246, 256), or the front side of the mobile device (200, 240, 250) is close to the NFC card reader (2420, 2520) if there is no portrait in the information collected by the front-facing camera (235, 246, 256).