A wireless music microphone comprises a central processing unit module, a sound source receiving module, a sound source signal processing module, a sound collecting module, a sound signal processing module, a reverberation processing module and a signal transmitting module. The sound source receiving module receives a song transmitted by devices such as a mobile phone and a tablet computer via a wireless network, the sound source signal processing module removes the original sound from the received music and retains the accompaniment according to a user setting; and a user sound, music or accompaniment is polished and mixed by the reverberation processing module, and is then sent to a loudspeaker box by the signal transmitting module via the wireless network. The multifunctional wireless music microphone is applicable to various wireless communication modes; moreover, the song and user's sound can be effectively mixed, amplified and polished.