選配助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)時最好(hao)去醫(yi)院(yuan)(yuan)，對聽(ting)(ting)力(li)做一次(ci)全面檢(jian)查，用電測聽(ting)(ting)等儀器(qi)準確地評(ping)價出耳聾的程度，再(zai)選助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)，如(ru)果當(dang)地沒有相應條件的醫(yi)院(yuan)(yuan)，聽(ting)(ting)力(li)損(sun)失(shi)程度與助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)功(gong)率(lv)的選配可(ke)按口語試驗來估計。例如(ru)，聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)耳語聲(sheng)(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)力(li)損(sun)失(shi)30～40分(fen)(fen)貝(bei)，聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)低小聲(sheng)(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)力(li)損(sun)失(shi)約40～50分(fen)(fen)貝(bei)，此時宜(yi)選購低功(gong)率(lv)及中功(gong)率(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)；聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)普通講(jiang)話(hua)聲(sheng)(sheng)(sheng)的人(ren)(ren)聽(ting)(ting)力(li)損(sun)失(shi)約50～60分(fen)(fen)貝(bei)，聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)高聲(sheng)(sheng)(sheng)講(jiang)話(hua)的人(ren)(ren)聽(ting)(ting)力(li)損(sun)失(shi)60～70分(fen)(fen)貝(bei)，可(ke)選配中功(gong)率(lv)及大功(gong)率(lv)型助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)；聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)大聲(sheng)(sheng)(sheng)喊(han)叫聲(sheng)(sheng)(sheng)的人(ren)(ren)，聽(ting)(ting)力(li)損(sun)失(shi)70～80分(fen)(fen)貝(bei)，選用中、大功(gong)率(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)；全力(li)喊(han)叫聲(sheng)(sheng)(sheng)聽(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)的人(ren)(ren)聽(ting)(ting)力(li)損(sun)失(shi)約約80～90分(fen)(fen)貝(bei)或(huo)更(geng)高，可(ke)選配大功(gong)率(lv)及特大功(gong)率(lv)助(zhu)(zhu)(zhu)聽(ting)(ting)器(qi)。