太和二十一年(nian)(公(gong)(gong)元(yuan)497年(nian)),北魏孝文帝親自率(lv)軍南下(xia),臨行前,將(jiang)馮妙蓮冊封(feng)為皇(huang)(huang)后。行至汝(ru)南時,文帝最小的(de)妹妹彭城公(gong)(gong)主前來,原來皇(huang)(huang)后逼(bi)公(gong)(gong)主嫁給自己的(de)胞弟馮夙(su),公(gong)(gong)主不愿意,求孝文帝作主。“馮夙(su)人品(pin)低(di)且不談,他(ta)是皇(huang)(huang)后的(de)胞弟,皇(huang)(huang)后淫亂后宮,妹妹實在(zai)不愿嫁。”公(gong)(gong)主哭訴(su)道。
“什么?”孝文帝(di)大吃一驚,連忙追問(wen)。公(gong)主告(gao)訴(su)他,皇(huang)后(hou)(hou)(hou)(hou)趁他南征,與(yu)宮(gong)(gong)(gong)(gong)中(zhong)執事(shi)(shi)高(gao)菩薩私通(tong),最近競(jing)公(gong)開淫亂(luan),宮(gong)(gong)(gong)(gong)中(zhong)上(shang)(shang)下(xia)(xia)都知此事(shi)(shi),只是(shi)不(bu)敢告(gao)訴(su)皇(huang)上(shang)(shang)。孝文帝(di)真(zhen)不(bu)敢相(xiang)信他一向(xiang)寵愛的(de)(de)柔媚(mei)有情的(de)(de)皇(huang)后(hou)(hou)(hou)(hou)競(jing)會做(zuo)出(chu)如(ru)此事(shi)(shi)來(lai)(lai)(lai)。于是(shi)派(pai)人暗暗察訪。過了(le)年,孝文帝(di)回到洛陽,先對(dui)皇(huang)后(hou)(hou)(hou)(hou)宮(gong)(gong)(gong)(gong)中(zhong)的(de)(de)小黃門蘇興(xing)壽秘審。蘇興(xing)壽將皇(huang)后(hou)(hou)(hou)(hou)與(yu)高(gao)菩薩私通(tong)的(de)(de)事(shi)(shi)全(quan)盤托出(chu)。這下(xia)(xia)孝文帝(di)氣得發昏,決定親審馮(feng)妙(miao)(miao)蓮(lian)(lian)。他先將高(gao)菩薩等抓起(qi)來(lai)(lai)(lai)拷問(wen)出(chu)實情,原來(lai)(lai)(lai)高(gao)菩薩本是(shi)醫生,馮(feng)妙(miao)(miao)蓮(lian)(lian)在家(jia)養病(bing)時與(yu)其勾結,進宮(gong)(gong)(gong)(gong)后(hou)(hou)(hou)(hou),也將其引入(ru)宮(gong)(gong)(gong)(gong)中(zhong)繼續私通(tong)。審問(wen)時,孝文帝(di)怕皇(huang)后(hou)(hou)(hou)(hou)害他,叫(jiao)人搜(sou)遍她全(quan)身。馮(feng)妙(miao)(miao)蓮(lian)(lian)跪在龍床前,不(bu)停謝罪(zui)。孝文帝(di)命(ming)(ming)她站起(qi)來(lai)(lai)(lai),賜(si)座給她。又命(ming)(ming)高(gao)菩薩把所(suo)供認的(de)(de)罪(zui)狀當(dang)她的(de)(de)面陳述(shu)一遍,然后(hou)(hou)(hou)(hou)看著(zhu)她說:“你做(zuo)下(xia)(xia)這種事(shi)(shi)對(dui)得起(qi)朕嗎?”皇(huang)后(hou)(hou)(hou)(hou)只好從實招來(lai)(lai)(lai)。
太(tai)和二十三年,身在鄂北戰場(chang)的(de)孝文(wen)帝身染重病,回程中,彌留之際,囑(zhu)咐彭(peng)城王元勰(xie):“我(wo)死之后,賜(si)皇后死,另擇地厚葬,以掩馮門之大過。”
公元499年(nian)(nian),北(bei)魏(wei)最有作為的皇帝與世長(chang)辭了,年(nian)(nian)僅三(san)(san)十三(san)(san)歲。