洪洞商山廟創建年代不(bu)詳,明清(qing)屢有修茸。廟內主(zhu)要建筑有三(san)皇廟、關帝殿(dian)(dian)、三(san)官殿(dian)(dian)、法王殿(dian)(dian)等(deng)。四座大(da)殿(dian)(dian)均(jun)結構簡練(lian),用材較大(da)。各(ge)殿(dian)(dian)內后槽均(jun)砌龕并有塑(su)像,山墻(qiang)繪有壁畫共100余(yu)平(ping)方米。
大殿座北向南建(jian)于(yu)高0.84米的磚(zhuan)砌臺基上,面闊三間(jian),11米,進深四(si)椽,懸山(shan)頂(ding),梁架采用分心用四(si)柱造法(fa),檐柱施四(si)鋪(pu)作斗(dou)拱,明次間(jian)各(ge)施補間(jian)斗(dou)拱。殿前金(jin)柱刻有(you)民國十八(ba)年(1939)所書對聯:“人中(zhong)(zhong)畫是(shi)畫中(zhong)(zhong)人無(wu)非將人認作畫,景(jing)內情(qing)有(you)情(qing)內景(jing)總屬觸景(jing)生情(qing)。”
殿(dian)內供(gong)有塑(su)像(xiang),中供(gong)天皇,兩側分別(bie)為(wei)地皇、人(ren)皇。塑(su)像(xiang)圓(yuan)潤豐滿,線條(tiao)流暢,栩栩如生,東西山(shan)墻彩繪三皇為(wei)民祈祥福之壁畫(hua),手(shou)法(fa)(fa)細膩,形態(tai)逼真(zhen),人(ren)物(wu)表情、動作入目(mu)傳神。東殿(dian)為(wei)《東會府》殿(dian),通檐用二柱造法(fa)(fa),面闊三間,進深四(si)椽,懸山(shan)頂,為(wei)清道光三年(1823)重修后建筑。
殿(dian)(dian)內中供上元上帝(di)(di)(天官(guan)),東(dong)供中元大帝(di)(di)(地官(guan)),西供下元大帝(di)(di)(水官(guan)),東(dong)殿(dian)(dian)為(wei)(wei)關(guan)(guan)帝(di)(di)殿(dian)(dian),面闊三間(jian),進深四椽(chuan),懸(xuan)山(shan)頂,搭牽二椽(chuan)栿(fa)用三柱造(zao)法(fa),殿(dian)(dian)內塑(su)關(guan)(guan)公坐像,東(dong)為(wei)(wei)關(guan)(guan)平,西為(wei)(wei)周倉,左(zuo)右山(shan)墻繪有(you)關(guan)(guan)公生平事跡壁(bi)畫。