彭誼(yi)(yi)(yi)生于永樂八(ba)年(nian)(nian)(nian)(nian)(nian)(nian)(1410年(nian)(nian)(nian)(nian)(nian)(nian)),為(wei)明(ming)宣德(de)十(shi)(shi)年(nian)(nian)(nian)(nian)(nian)(nian)(1435年(nian)(nian)(nian)(nian)(nian)(nian))舉人(ren)。明(ming)正統(tong)十(shi)(shi)年(nian)(nian)(nian)(nian)(nian)(nian)(1445年(nian)(nian)(nian)(nian)(nian)(nian)),任(ren)工(gong)部司(si)務,正統(tong)十(shi)(shi)四(si)年(nian)(nian)(nian)(nian)(nian)(nian)(1449年(nian)(nian)(nian)(nian)(nian)(nian)),任(ren)湖廣道監察史(shi)。第(di)二(er)(er)年(nian)(nian)(nian)(nian)(nian)(nian),彭誼(yi)(yi)(yi)前往南直隸賑(zhen)濟水災(zai)災(zai)民。他采用先疏(shu)后堵(du)的方法(fa),終于治(zhi)(zhi)理(li)好(hao)水災(zai),運河重新通(tong)航。明(ming)景泰(tai)五年(nian)(nian)(nian)(nian)(nian)(nian)(1454年(nian)(nian)(nian)(nian)(nian)(nian)),彭誼(yi)(yi)(yi)隨大學士(shi)王文(wen)巡視江淮(huai),擒獲蘇州賊,升(sheng)大理(li)寺(si)丞,次年(nian)(nian)(nian)(nian)(nian)(nian)又(you)升(sheng)右(you)僉都(dou)御(yu)(yu)史(shi),提督紫荊倒(dao)馬諸關。因(yin)得罪朝中權(quan)貴,被貶為(wei)紹興知府,彭誼(yi)(yi)(yi)開倉賑(zhen)饑,第(di)二(er)(er)年(nian)(nian)(nian)(nian)(nian)(nian)收成(cheng)好(hao),百(bai)姓爭相交糧(liang),他又(you)指導百(bai)姓重新改(gai)修水利治(zhi)(zhi)理(li)承患,深得民心。九年(nian)(nian)(nian)(nian)(nian)(nian)后,彭誼(yi)(yi)(yi)又(you)升(sheng)山東左布政使(shi),后又(you)升(sheng)工(gong)部左侍郎(lang)。明(ming)成(cheng)化四(si)年(nian)(nian)(nian)(nian)(nian)(nian)(1468年(nian)(nian)(nian)(nian)(nian)(nian)),彭誼(yi)(yi)(yi)以右(you)副都(dou)御(yu)(yu)史(shi)鎮守遼東。他整頓(dun)邊防,把不(bu)會(hui)打仗的將領調(diao)去(qu)屯(tun)田(tian),嚴格(ge)訓(xun)練軍卒,經過(guo)幾次戰斗打退女真(zhen)族(zu)的進犯(fan)。彭誼(yi)(yi)(yi)鎮守遼東十(shi)(shi)年(nian)(nian)(nian)(nian)(nian)(nian),嚴格(ge)訓(xun)練軍隊(dui),糧(liang)草充(chong)裕,女真(zhen)、韃靼都(dou)不(bu)敢進犯(fan)。明(ming)成(cheng)化十(shi)(shi)四(si)年(nian)(nian)(nian)(nian)(nian)(nian)(1478年(nian)(nian)(nian)(nian)(nian)(nian)),彭誼(yi)(yi)(yi)升(sheng)資善(shan)大夫,至(zhi)67歲時,告老還鄉。他謙虛厚道,為(wei)人(ren)剛(gang)直,深得鄉親的敬重。彭誼(yi)(yi)(yi)在家居住了(le)22年(nian)(nian)(nian)(nian)(nian)(nian)后去(qu)世,享年(nian)(nian)(nian)(nian)(nian)(nian)88歲;朝廷(ting)遣使(shi)諭(yu)祭葬。