李義海曾在江(jiang)西(xi)南昌五(wu)星墾殖(zhi)希望學校從事教育工作,1991年(nian)下海經商,1998年(nian)12月(yue)兼并(bing)江(jiang)西(xi)宜春秀江(jiang)制(zhi)藥(yao)(yao)(yao)廠(現更名江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)藥(yao)(yao)(yao)業有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)),并(bing)任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao);1999年(nian)6月(yue)成立江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)堂醫藥(yao)(yao)(yao)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si),任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao);2000年(nian)元月(yue)成立江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)集團有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si),任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao)、董事長兼總(zong)裁;2000年(nian)10月(yue)兼并(bing)江(jiang)西(xi)東方制(zhi)藥(yao)(yao)(yao)廠、江(jiang)西(xi)東方力(li)可(ke)(ke)(ke)(ke)生制(zhi)藥(yao)(yao)(yao)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)(現更名江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)制(zhi)藥(yao)(yao)(yao)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)),任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao);2004年(nian)元月(yue),成立香港濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si),并(bing)任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao)。2004年(nian)12月(yue)斥(chi)資(zi)1.2億元兼并(bing)江(jiang)西(xi)金(jin)水寶(bao)制(zhi)藥(yao)(yao)(yao)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)(現更名江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)金(jin)水寶(bao)制(zhi)藥(yao)(yao)(yao)有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)),并(bing)任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao);2006年(nian)7月(yue),兼并(bing)宜春錦繡山(shan)(shan)(shan)莊(更名江(jiang)西(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)錦繡山(shan)(shan)(shan)莊酒店有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)),并(bing)任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao);2006年(nian)8月(yue),斥(chi)資(zi)4億元兼并(bing)無錫(xi)(xi)山(shan)(shan)(shan)禾(he)藥(yao)(yao)(yao)業股份有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)(現更名無錫(xi)(xi)濟(ji)(ji)民(min)(min)(min)可(ke)(ke)(ke)(ke)信(xin)(xin)(xin)(xin)山(shan)(shan)(shan)禾(he)藥(yao)(yao)(yao)業股份有(you)(you)(you)限(xian)(xian)公(gong)(gong)司(si)(si)(si)),并(bing)任(ren)法(fa)人(ren)代(dai)(dai)表(biao)(biao)。
根據(ju)2016年10月13日胡(hu)(hu)潤(run)研(yan)究院發(fa)布《2016胡(hu)(hu)潤(run)百(bai)富(fu)榜》,李義(yi)海以財富(fu)185億(yi)元(yuan),成為(wei)江(jiang)西首富(fu)。