選(xuan)(xuan)配助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)時最(zui)好去醫院，對聽(ting)(ting)(ting)力(li)做一次全(quan)面(mian)檢查，用電測聽(ting)(ting)(ting)等(deng)儀器(qi)準確(que)地評價(jia)出(chu)耳(er)(er)聾(long)的(de)(de)(de)程度，再選(xuan)(xuan)助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)，如(ru)果當地沒(mei)有相應條(tiao)件(jian)的(de)(de)(de)醫院，聽(ting)(ting)(ting)力(li)損失(shi)程度與助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)功率(lv)的(de)(de)(de)選(xuan)(xuan)配可(ke)按口語(yu)試驗來估計。例如(ru)，聽(ting)(ting)(ting)不(bu)(bu)到耳(er)(er)語(yu)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)人(ren)聽(ting)(ting)(ting)力(li)損失(shi)30～40分貝(bei)，聽(ting)(ting)(ting)不(bu)(bu)到低(di)小(xiao)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)人(ren)聽(ting)(ting)(ting)力(li)損失(shi)約(yue)40～50分貝(bei)，此時宜選(xuan)(xuan)購低(di)功率(lv)及(ji)中功率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)不(bu)(bu)到普通講(jiang)話(hua)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)人(ren)聽(ting)(ting)(ting)力(li)損失(shi)約(yue)50～60分貝(bei)，聽(ting)(ting)(ting)不(bu)(bu)到高聲(sheng)(sheng)(sheng)(sheng)講(jiang)話(hua)的(de)(de)(de)人(ren)聽(ting)(ting)(ting)力(li)損失(shi)60～70分貝(bei)，可(ke)選(xuan)(xuan)配中功率(lv)及(ji)大(da)功率(lv)型助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)不(bu)(bu)到大(da)聲(sheng)(sheng)(sheng)(sheng)喊(han)叫聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)人(ren)，聽(ting)(ting)(ting)力(li)損失(shi)70～80分貝(bei)，選(xuan)(xuan)用中、大(da)功率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)；全(quan)力(li)喊(han)叫聲(sheng)(sheng)(sheng)(sheng)聽(ting)(ting)(ting)不(bu)(bu)到的(de)(de)(de)人(ren)聽(ting)(ting)(ting)力(li)損失(shi)約(yue)約(yue)80～90分貝(bei)或更高，可(ke)選(xuan)(xuan)配大(da)功率(lv)及(ji)特(te)大(da)功率(lv)助(zhu)(zhu)聽(ting)(ting)(ting)器(qi)。