彭(peng)(peng)誼(yi)(yi)生于永樂八(ba)年(nian)(nian)(nian)(1410年(nian)(nian)(nian)),為明(ming)(ming)宣德十年(nian)(nian)(nian)(1435年(nian)(nian)(nian))舉人。明(ming)(ming)正(zheng)統十年(nian)(nian)(nian)(1445年(nian)(nian)(nian)),任工部(bu)司務,正(zheng)統十四年(nian)(nian)(nian)(1449年(nian)(nian)(nian)),任湖廣道監察史。第二年(nian)(nian)(nian),彭(peng)(peng)誼(yi)(yi)前(qian)往(wang)南直(zhi)隸賑(zhen)濟水災災民(min)(min)。他(ta)采用先疏后(hou)堵(du)的(de)方(fang)法,終于治(zhi)理好水災,運河重新通航。明(ming)(ming)景泰五年(nian)(nian)(nian)(1454年(nian)(nian)(nian)),彭(peng)(peng)誼(yi)(yi)隨(sui)大(da)學士(shi)王文巡(xun)視江淮,擒獲蘇州(zhou)賊,升大(da)理寺丞,次年(nian)(nian)(nian)又(you)升右僉都御史,提督紫荊(jing)倒馬諸(zhu)關。因得罪朝中權(quan)貴,被貶為紹興知(zhi)府(fu),彭(peng)(peng)誼(yi)(yi)開倉賑(zhen)饑,第二年(nian)(nian)(nian)收(shou)成好,百姓爭(zheng)相交(jiao)糧,他(ta)又(you)指導百姓重新改修(xiu)水利治(zhi)理承患,深(shen)得民(min)(min)心。九年(nian)(nian)(nian)后(hou),彭(peng)(peng)誼(yi)(yi)又(you)升山東左(zuo)布政(zheng)使(shi),后(hou)又(you)升工部(bu)左(zuo)侍郎。明(ming)(ming)成化(hua)四年(nian)(nian)(nian)(1468年(nian)(nian)(nian)),彭(peng)(peng)誼(yi)(yi)以右副都御史鎮守(shou)(shou)遼東。他(ta)整頓(dun)邊(bian)防,把不會打仗的(de)將領調(diao)去(qu)屯田,嚴格(ge)訓(xun)練軍(jun)卒,經過(guo)幾次戰斗打退(tui)女真族(zu)的(de)進犯(fan)。彭(peng)(peng)誼(yi)(yi)鎮守(shou)(shou)遼東十年(nian)(nian)(nian),嚴格(ge)訓(xun)練軍(jun)隊,糧草(cao)充裕(yu),女真、韃靼都不敢(gan)進犯(fan)。明(ming)(ming)成化(hua)十四年(nian)(nian)(nian)(1478年(nian)(nian)(nian)),彭(peng)(peng)誼(yi)(yi)升資善(shan)大(da)夫,至67歲時,告老還鄉。他(ta)謙虛厚(hou)道,為人剛直(zhi),深(shen)得鄉親的(de)敬(jing)重。彭(peng)(peng)誼(yi)(yi)在家居(ju)住了22年(nian)(nian)(nian)后(hou)去(qu)世(shi),享年(nian)(nian)(nian)88歲;朝廷遣使(shi)諭祭葬。