Abstract: The dishwasher could be viewed as a linear,conservative and weak-coupled vibroacoustic system with dou-ble-shell.Water current impact is the main excitation with broadband and non-correlative feature to make noise of the dishwasher.The SEA noise band sound power level(L_wf) prediction model based on Statistical Energy Analysis method has high precision: the deviation of 250 Hz and 500 Hz octave is less than 4 dB and 2 dB respectively.The measure which has been put forward by the SEA model yields good result on dishwasher noise control: the Lwf of 250 Hz and 500 Hz octave could be reduced by 12 dB and 13 dB respectively,the total Lwf could be reduced by 7 dB.