沉香(xiang)(xiang),中藥(yao)(yao)名,為瑞香(xiang)(xiang)科植物白(bai)木香(xiang)(xiang)Aquilaria sinensis(Lour.)Gilg含有樹(shu)脂(zhi)的(de)木材。其分布于廣(guang)東、海(hai)南、廣(guang)西(xi)、福建等(deng)地。具有行氣(qi)止痛(tong),溫中止嘔,納氣(qi)平喘之(zhi)(zhi)功效,常用于胸腹脹悶疼痛(tong),胃寒嘔吐呃逆,腎虛氣(qi)逆喘急(ji)。沉香(xiang)(xiang)是(shi)知名的(de)文玩原料之(zhi)(zhi)一,也是(shi)名貴中藥(yao)(yao)材之(zhi)(zhi)一,自古歷代的(de)中醫典(dian)籍(ji)均有記在(zai),并且(qie)被列為上品,