A microphone and a microphone board

The utility model provides a microphone circuit board which comprises a sound hole, a bonding pad and a soldering flux isolation ring, wherein the bonding pad is arranged around the sound hole; and the soldering flux isolation ring is positioned between the sound hole and the bonding pad. The microphone circuit board has the advantages of reducing the reject ratio of paster and improving the reliability of product. The utility model also provides a microphone applied to the microphone circuit board.