選(xuan)配助聽(ting)(ting)(ting)(ting)(ting)器(qi)時(shi)最好(hao)去醫院(yuan)，對(dui)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)做一次全(quan)面檢查，用電測聽(ting)(ting)(ting)(ting)(ting)等儀器(qi)準確(que)地評價(jia)出耳(er)聾的(de)(de)程度(du)，再選(xuan)助聽(ting)(ting)(ting)(ting)(ting)器(qi)，如(ru)果當地沒有相應(ying)條件(jian)的(de)(de)醫院(yuan)，聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)程度(du)與助聽(ting)(ting)(ting)(ting)(ting)器(qi)功(gong)(gong)率(lv)(lv)(lv)的(de)(de)選(xuan)配可(ke)按口語(yu)試驗來(lai)估計。例如(ru)，聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)耳(er)語(yu)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)30～40分貝，聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)約(yue)(yue)40～50分貝，此時(shi)宜選(xuan)購低功(gong)(gong)率(lv)(lv)(lv)及(ji)中(zhong)功(gong)(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)普通講(jiang)話聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)約(yue)(yue)50～60分貝，聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)高聲(sheng)講(jiang)話的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)60～70分貝，可(ke)選(xuan)配中(zhong)功(gong)(gong)率(lv)(lv)(lv)及(ji)大(da)功(gong)(gong)率(lv)(lv)(lv)型助聽(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)大(da)聲(sheng)喊(han)叫聲(sheng)的(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)70～80分貝，選(xuan)用中(zhong)、大(da)功(gong)(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)；全(quan)力(li)(li)(li)喊(han)叫聲(sheng)聽(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)(dao)(dao)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)力(li)(li)(li)損(sun)(sun)失(shi)約(yue)(yue)約(yue)(yue)80～90分貝或(huo)更高，可(ke)選(xuan)配大(da)功(gong)(gong)率(lv)(lv)(lv)及(ji)特大(da)功(gong)(gong)率(lv)(lv)(lv)助聽(ting)(ting)(ting)(ting)(ting)器(qi)。