選(xuan)(xuan)配(pei)(pei)助聽(ting)(ting)(ting)(ting)(ting)器(qi)時最好去醫(yi)院，對聽(ting)(ting)(ting)(ting)(ting)力(li)做(zuo)一次全面檢查，用(yong)(yong)電測聽(ting)(ting)(ting)(ting)(ting)等儀器(qi)準確(que)地(di)評價出耳(er)聾的(de)(de)程度，再選(xuan)(xuan)助聽(ting)(ting)(ting)(ting)(ting)器(qi)，如(ru)果當地(di)沒有相應條件的(de)(de)醫(yi)院，聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)程度與助聽(ting)(ting)(ting)(ting)(ting)器(qi)功(gong)(gong)率(lv)(lv)的(de)(de)選(xuan)(xuan)配(pei)(pei)可(ke)按口語(yu)(yu)試驗來(lai)估計。例如(ru)，聽(ting)(ting)(ting)(ting)(ting)不(bu)到耳(er)語(yu)(yu)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)30～40分貝(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)不(bu)到低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約(yue)40～50分貝(bei)(bei)，此時宜選(xuan)(xuan)購(gou)低功(gong)(gong)率(lv)(lv)及中功(gong)(gong)率(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)到普(pu)通講話(hua)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約(yue)50～60分貝(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)不(bu)到高聲(sheng)講話(hua)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)60～70分貝(bei)(bei)，可(ke)選(xuan)(xuan)配(pei)(pei)中功(gong)(gong)率(lv)(lv)及大功(gong)(gong)率(lv)(lv)型助聽(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)到大聲(sheng)喊叫(jiao)聲(sheng)的(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)70～80分貝(bei)(bei)，選(xuan)(xuan)用(yong)(yong)中、大功(gong)(gong)率(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)；全力(li)喊叫(jiao)聲(sheng)聽(ting)(ting)(ting)(ting)(ting)不(bu)到的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)(shi)(shi)(shi)約(yue)約(yue)80～90分貝(bei)(bei)或更(geng)高，可(ke)選(xuan)(xuan)配(pei)(pei)大功(gong)(gong)率(lv)(lv)及特大功(gong)(gong)率(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)。