A wireless communication device is provided. The wireless communication device comprises a circuit board, a key module and a sensing module. The key module is electrically connected with at least one key through the circuit board. The sensing module is electrically connected with the circuit board, wherein the circuit board is taken as an induction conductor of the sensing module. Therefore, according to the wireless communication device disclosed by the disclosure, the functions of the key module, the sensing module and an antenna module are integrated on a same component, so that the component has three-in-one functions, and the efficiency of an antenna is further enhanced.