To study the relation between the levels of Cu,Zn and Fe in serum and oral lichen planus(OLP),in this paper, Cu,Zn and Fe in the serum have been detected in 41 femle and 22 male patients with OLP with AAS methods.

• 为探讨微量元素铜、锌、铁含量与口腔扁平苔藓（简称OLP）的关系，采用原子吸收火焰法测定41例女性患者和22例男性患者血清铜、锌、铁含量。