彭(peng)(peng)誼生于永樂八年(nian)(nian)(1410年(nian)(nian)),為(wei)明(ming)(ming)宣德十年(nian)(nian)(1435年(nian)(nian))舉人(ren)。明(ming)(ming)正統十年(nian)(nian)(1445年(nian)(nian)),任工(gong)部(bu)司(si)務,正統十四年(nian)(nian)(1449年(nian)(nian)),任湖廣道(dao)(dao)監察(cha)史。第(di)(di)二(er)年(nian)(nian),彭(peng)(peng)誼前往南直隸賑濟水(shui)災(zai)災(zai)民。他采用(yong)先疏后堵的方(fang)法,終于治理好(hao)水(shui)災(zai),運河重(zhong)新(xin)通航。明(ming)(ming)景(jing)泰五年(nian)(nian)(1454年(nian)(nian)),彭(peng)(peng)誼隨(sui)大(da)學士王文(wen)巡視江淮,擒獲蘇州賊,升大(da)理寺丞,次(ci)(ci)年(nian)(nian)又(you)(you)升右僉(qian)都御(yu)史,提督紫荊倒馬諸關(guan)。因(yin)得罪朝中權貴,被貶為(wei)紹(shao)興知府,彭(peng)(peng)誼開倉賑饑,第(di)(di)二(er)年(nian)(nian)收成好(hao),百姓(xing)爭相交糧,他又(you)(you)指導(dao)百姓(xing)重(zhong)新(xin)改修水(shui)利治理承患,深(shen)得民心。九年(nian)(nian)后,彭(peng)(peng)誼又(you)(you)升山東左布政使(shi),后又(you)(you)升工(gong)部(bu)左侍郎。明(ming)(ming)成化(hua)四年(nian)(nian)(1468年(nian)(nian)),彭(peng)(peng)誼以右副都御(yu)史鎮守遼東。他整頓(dun)邊(bian)防,把(ba)不(bu)(bu)會打仗的將領調去屯田,嚴(yan)格訓練軍卒,經(jing)過(guo)幾次(ci)(ci)戰斗打退女真(zhen)族的進犯(fan)。彭(peng)(peng)誼鎮守遼東十年(nian)(nian),嚴(yan)格訓練軍隊,糧草充裕,女真(zhen)、韃靼(da)都不(bu)(bu)敢進犯(fan)。明(ming)(ming)成化(hua)十四年(nian)(nian)(1478年(nian)(nian)),彭(peng)(peng)誼升資善大(da)夫,至67歲(sui)時,告老(lao)還(huan)鄉(xiang)。他謙虛厚(hou)道(dao)(dao),為(wei)人(ren)剛直,深(shen)得鄉(xiang)親的敬重(zhong)。彭(peng)(peng)誼在(zai)家居(ju)住了22年(nian)(nian)后去世,享(xiang)年(nian)(nian)88歲(sui);朝廷遣使(shi)諭祭葬(zang)。