選(xuan)配助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)時(shi)最(zui)好(hao)去醫院，對聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)做一次(ci)全面檢查，用電測聽(ting)(ting)(ting)(ting)(ting)(ting)等(deng)儀器(qi)準確地評價(jia)出(chu)耳聾的(de)(de)程度，再選(xuan)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)，如果(guo)當地沒有相應條件的(de)(de)醫院，聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)程度與助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)功(gong)(gong)(gong)率(lv)(lv)的(de)(de)選(xuan)配可按(an)口(kou)語試驗來(lai)估計。例如，聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)耳語聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)30～40分(fen)貝(bei)(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)約(yue)40～50分(fen)貝(bei)(bei)(bei)，此時(shi)宜選(xuan)購低功(gong)(gong)(gong)率(lv)(lv)及(ji)中功(gong)(gong)(gong)率(lv)(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)普通講話聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)約(yue)50～60分(fen)貝(bei)(bei)(bei)，聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)高聲(sheng)講話的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)60～70分(fen)貝(bei)(bei)(bei)，可選(xuan)配中功(gong)(gong)(gong)率(lv)(lv)及(ji)大功(gong)(gong)(gong)率(lv)(lv)型助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)大聲(sheng)喊叫(jiao)聲(sheng)的(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)70～80分(fen)貝(bei)(bei)(bei)，選(xuan)用中、大功(gong)(gong)(gong)率(lv)(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)；全力(li)喊叫(jiao)聲(sheng)聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)到(dao)(dao)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)損(sun)(sun)(sun)失(shi)約(yue)約(yue)80～90分(fen)貝(bei)(bei)(bei)或更高，可選(xuan)配大功(gong)(gong)(gong)率(lv)(lv)及(ji)特大功(gong)(gong)(gong)率(lv)(lv)助(zhu)(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)。