選配(pei)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)時(shi)最(zui)好去醫院(yuan)，對聽(ting)(ting)(ting)(ting)力(li)做(zuo)一次全面檢(jian)查，用(yong)(yong)電測聽(ting)(ting)(ting)(ting)等儀器(qi)(qi)準確地(di)評價出耳聾(long)的(de)(de)程(cheng)度，再選助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)，如(ru)果當地(di)沒有相應條件(jian)的(de)(de)醫院(yuan)，聽(ting)(ting)(ting)(ting)力(li)損失(shi)程(cheng)度與(yu)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)功(gong)(gong)率(lv)(lv)的(de)(de)選配(pei)可按(an)口語試驗來估計。例如(ru)，聽(ting)(ting)(ting)(ting)不到(dao)耳語聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損失(shi)30～40分(fen)(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)不到(dao)低小聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損失(shi)約40～50分(fen)(fen)貝(bei)(bei)，此時(shi)宜選購(gou)低功(gong)(gong)率(lv)(lv)及(ji)中(zhong)功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)普通講話(hua)聲(sheng)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損失(shi)約50～60分(fen)(fen)貝(bei)(bei)，聽(ting)(ting)(ting)(ting)不到(dao)高聲(sheng)講話(hua)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損失(shi)60～70分(fen)(fen)貝(bei)(bei)，可選配(pei)中(zhong)功(gong)(gong)率(lv)(lv)及(ji)大(da)(da)功(gong)(gong)率(lv)(lv)型助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；聽(ting)(ting)(ting)(ting)不到(dao)大(da)(da)聲(sheng)喊叫聲(sheng)的(de)(de)人(ren)(ren)(ren)，聽(ting)(ting)(ting)(ting)力(li)損失(shi)70～80分(fen)(fen)貝(bei)(bei)，選用(yong)(yong)中(zhong)、大(da)(da)功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)；全力(li)喊叫聲(sheng)聽(ting)(ting)(ting)(ting)不到(dao)的(de)(de)人(ren)(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)損失(shi)約約80～90分(fen)(fen)貝(bei)(bei)或更高，可選配(pei)大(da)(da)功(gong)(gong)率(lv)(lv)及(ji)特大(da)(da)功(gong)(gong)率(lv)(lv)助(zhu)(zhu)(zhu)(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)。