選(xuan)配(pei)助(zhu)(zhu)聽(ting)(ting)器(qi)(qi)時最好(hao)去醫院(yuan),對聽(ting)(ting)力(li)(li)(li)做一(yi)次全(quan)面檢查,用電測聽(ting)(ting)等儀器(qi)(qi)準確地(di)評價出耳聾的(de)(de)程度,再選(xuan)助(zhu)(zhu)聽(ting)(ting)器(qi)(qi),如果當地(di)沒有相(xiang)應條件的(de)(de)醫院(yuan),聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)程度與助(zhu)(zhu)聽(ting)(ting)器(qi)(qi)功(gong)率(lv)(lv)(lv)的(de)(de)選(xuan)配(pei)可(ke)(ke)按口語(yu)試驗(yan)來估計。例如,聽(ting)(ting)不到耳語(yu)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)30~40分(fen)貝(bei),聽(ting)(ting)不到低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)40~50分(fen)貝(bei),此時宜(yi)選(xuan)購(gou)低功(gong)率(lv)(lv)(lv)及中(zhong)功(gong)率(lv)(lv)(lv)助(zhu)(zhu)聽(ting)(ting)器(qi)(qi);聽(ting)(ting)不到普通講(jiang)話(hua)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)50~60分(fen)貝(bei),聽(ting)(ting)不到高(gao)聲(sheng)講(jiang)話(hua)的(de)(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)60~70分(fen)貝(bei),可(ke)(ke)選(xuan)配(pei)中(zhong)功(gong)率(lv)(lv)(lv)及大功(gong)率(lv)(lv)(lv)型助(zhu)(zhu)聽(ting)(ting)器(qi)(qi);聽(ting)(ting)不到大聲(sheng)喊叫聲(sheng)的(de)(de)人(ren),聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)70~80分(fen)貝(bei),選(xuan)用中(zhong)、大功(gong)率(lv)(lv)(lv)助(zhu)(zhu)聽(ting)(ting)器(qi)(qi);全(quan)力(li)(li)(li)喊叫聲(sheng)聽(ting)(ting)不到的(de)(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)(shi)(shi)約(yue)約(yue)80~90分(fen)貝(bei)或更(geng)高(gao),可(ke)(ke)選(xuan)配(pei)大功(gong)率(lv)(lv)(lv)及特(te)大功(gong)率(lv)(lv)(lv)助(zhu)(zhu)聽(ting)(ting)器(qi)(qi)。