USB antenna structure

The utility model relates to a USB antenna structure which comprises a communication device, an antenna device and a USB device, wherein the communication device comprises a circuit board, the antenna device comprises an antenna element which has a resonance function and is electrically connected with the circuit board, and the antenna element comprises an earth wire contact and a feeding point, wherein after emission signals are inputted, the feeding point excites the field pattern of an antenna, and then, the emission signals are radiated out; the antenna element is provided with a contact elastic slice. The USB device comprises a USB joint electrically connected with the circuit board, the USB joint is the contact elastic slice which is abutted against the antenna element, and surface currents of the antenna device are led into the USB joint to perform the function of resonance; therefore, a mobile phone can be provided with a built-in USB antenna, data can be easily read in a personal computer, and the practicability of the utility model value of voice, images and music of the mobile phone is greatly enhanced.