選(xuan)(xuan)(xuan)(xuan)配(pei)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)時最(zui)好去醫院(yuan),對聽(ting)(ting)(ting)(ting)力(li)(li)做(zuo)一次全面檢(jian)查,用電測聽(ting)(ting)(ting)(ting)等(deng)儀(yi)器(qi)(qi)(qi)準確(que)地評價出耳聾的(de)(de)程度,再選(xuan)(xuan)(xuan)(xuan)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi),如(ru)(ru)果當地沒(mei)有相(xiang)應條件的(de)(de)醫院(yuan),聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)程度與助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)功(gong)(gong)(gong)率(lv)的(de)(de)選(xuan)(xuan)(xuan)(xuan)配(pei)可(ke)按口語(yu)試驗來估(gu)計。例如(ru)(ru),聽(ting)(ting)(ting)(ting)不到(dao)(dao)耳語(yu)聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)30~40分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不到(dao)(dao)低小聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)約40~50分(fen)貝(bei),此時宜選(xuan)(xuan)(xuan)(xuan)購低功(gong)(gong)(gong)率(lv)及中功(gong)(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)不到(dao)(dao)普(pu)通講(jiang)(jiang)話聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)約50~60分(fen)貝(bei),聽(ting)(ting)(ting)(ting)不到(dao)(dao)高(gao)(gao)聲(sheng)(sheng)(sheng)講(jiang)(jiang)話的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)60~70分(fen)貝(bei),可(ke)選(xuan)(xuan)(xuan)(xuan)配(pei)中功(gong)(gong)(gong)率(lv)及大(da)(da)(da)功(gong)(gong)(gong)率(lv)型助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);聽(ting)(ting)(ting)(ting)不到(dao)(dao)大(da)(da)(da)聲(sheng)(sheng)(sheng)喊(han)叫聲(sheng)(sheng)(sheng)的(de)(de)人(ren)(ren),聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)70~80分(fen)貝(bei),選(xuan)(xuan)(xuan)(xuan)用中、大(da)(da)(da)功(gong)(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi);全力(li)(li)喊(han)叫聲(sheng)(sheng)(sheng)聽(ting)(ting)(ting)(ting)不到(dao)(dao)的(de)(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)(sun)失(shi)約約80~90分(fen)貝(bei)或(huo)更高(gao)(gao),可(ke)選(xuan)(xuan)(xuan)(xuan)配(pei)大(da)(da)(da)功(gong)(gong)(gong)率(lv)及特(te)大(da)(da)(da)功(gong)(gong)(gong)率(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)(qi)(qi)。