A near field communication (NFC) system and an associated apparatus are provided. The NFC system includes a display device, a host computer, at least one RF module coupled to the host computer, a plurality of antennas coupled to the at least one RF module, and a NFC device. The antennas are disposed behind the display device. The NFC device is for communicating with the host computer via one of the antennas. The NFC system can upgrade communication quality and achieve multi-tasking efficiency.