選(xuan)(xuan)配助(zhu)聽(ting)(ting)(ting)(ting)器(qi)時(shi)最好去醫(yi)(yi)院，對聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)做(zuo)一(yi)次全面檢查(cha)，用(yong)電測聽(ting)(ting)(ting)(ting)等(deng)儀器(qi)準確地(di)評價出耳(er)聾的(de)(de)程度(du)，再選(xuan)(xuan)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)，如(ru)果(guo)當地(di)沒有相應條件的(de)(de)醫(yi)(yi)院，聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)程度(du)與助(zhu)聽(ting)(ting)(ting)(ting)器(qi)功(gong)(gong)率(lv)(lv)的(de)(de)選(xuan)(xuan)配可(ke)按口(kou)語試(shi)驗來估計。例如(ru)，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到耳(er)語聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)30～40分(fen)(fen)(fen)貝(bei)(bei)(bei)，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到低小聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)約(yue)40～50分(fen)(fen)(fen)貝(bei)(bei)(bei)，此(ci)時(shi)宜選(xuan)(xuan)購低功(gong)(gong)率(lv)(lv)及中功(gong)(gong)率(lv)(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到普通講(jiang)話(hua)聲(sheng)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)約(yue)50～60分(fen)(fen)(fen)貝(bei)(bei)(bei)，聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到高聲(sheng)講(jiang)話(hua)的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)60～70分(fen)(fen)(fen)貝(bei)(bei)(bei)，可(ke)選(xuan)(xuan)配中功(gong)(gong)率(lv)(lv)及大(da)(da)功(gong)(gong)率(lv)(lv)型助(zhu)聽(ting)(ting)(ting)(ting)器(qi)；聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到大(da)(da)聲(sheng)喊叫(jiao)聲(sheng)的(de)(de)人(ren)，聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)70～80分(fen)(fen)(fen)貝(bei)(bei)(bei)，選(xuan)(xuan)用(yong)中、大(da)(da)功(gong)(gong)率(lv)(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)；全力(li)(li)(li)(li)喊叫(jiao)聲(sheng)聽(ting)(ting)(ting)(ting)不(bu)(bu)(bu)到的(de)(de)人(ren)聽(ting)(ting)(ting)(ting)力(li)(li)(li)(li)損(sun)失(shi)約(yue)約(yue)80～90分(fen)(fen)(fen)貝(bei)(bei)(bei)或(huo)更高，可(ke)選(xuan)(xuan)配大(da)(da)功(gong)(gong)率(lv)(lv)及特大(da)(da)功(gong)(gong)率(lv)(lv)助(zhu)聽(ting)(ting)(ting)(ting)器(qi)。