Air-condition system is one of the main noise sources of fuel cell vehicle (FCV). This paper describes the vibro-acoustic characteristics of FCV when air-condition compressor runs independently. The air-condition compressor frameresonance is classified because of its lower inherent frequency consistent with the compressor operating frequency．Ｔhen body panel vibration is caused, as the main transfer path is from the air-condition compressor to the interior. Using reinforcing material enhances the stiffness of the compressor bracket to avoid its resonance, the interior noise is reduced more than 2dB, and the sound quality is improved.