Built-in spring antenna of wireless network card

The utility model relates to a built-in spring antenna of a wireless network card. The built-in spring antenna comprises a spring antenna fixedly arranged on a circuit board of the wireless network card, a WIFI module is fixedly arranged on the circuit board; one end of the spring antenna is welded with the signal end of the WIFI module through soldering tin. The spring antenna comprises a transmission part for transmitting signals and a radiation part for radiating signals, which are connected with each other; the plane of the transmission part is parallel to the circuit board; the plane of the radiation part is perpendicular to the circuit board; the spring antenna is arranged in the wireless network card, occupies a small external space, is more beautiful and is not easy to damage; thetransmission part is arranged on the circuit board in parallel, and the radiation part is vertically arranged above the circuit board, so that the occupied space of the circuit board is small; the radiation part is a small-ca