選(xuan)(xuan)(xuan)配(pei)(pei)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)時最好去(qu)醫院,對聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)做一次全面(mian)檢查,用電(dian)測聽(ting)(ting)(ting)(ting)(ting)(ting)等(deng)儀器(qi)準(zhun)確地評價出耳(er)(er)聾的(de)程度,再選(xuan)(xuan)(xuan)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi),如(ru)果當(dang)地沒有相應條件的(de)醫院,聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)程度與助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)功(gong)率的(de)選(xuan)(xuan)(xuan)配(pei)(pei)可(ke)按口語試驗來估(gu)計(ji)。例如(ru),聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)耳(er)(er)語聲的(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)30~40分貝(bei),聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)低小聲的(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)40~50分貝(bei),此時宜選(xuan)(xuan)(xuan)購低功(gong)率及(ji)中功(gong)率助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)普通(tong)講話(hua)聲的(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)50~60分貝(bei),聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)高(gao)聲講話(hua)的(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)60~70分貝(bei),可(ke)選(xuan)(xuan)(xuan)配(pei)(pei)中功(gong)率及(ji)大功(gong)率型(xing)助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi);聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)大聲喊叫聲的(de)人(ren)(ren),聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)70~80分貝(bei),選(xuan)(xuan)(xuan)用中、大功(gong)率助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi);全力(li)(li)喊叫聲聽(ting)(ting)(ting)(ting)(ting)(ting)不(bu)(bu)到(dao)的(de)人(ren)(ren)聽(ting)(ting)(ting)(ting)(ting)(ting)力(li)(li)損(sun)(sun)失(shi)(shi)約(yue)約(yue)80~90分貝(bei)或(huo)更高(gao),可(ke)選(xuan)(xuan)(xuan)配(pei)(pei)大功(gong)率及(ji)特大功(gong)率助(zhu)聽(ting)(ting)(ting)(ting)(ting)(ting)器(qi)。