Two statements on the origin of Luoyang peony,that is,Sui Yang Di moved the peony to Xiyuan in Luoyang and Wu Zetian demoted the peony from Changan to Luoyang are thought of being wrong.

• 关于洛阳牡丹的来历，许多人在同文同书中既主隋炀帝洛阳西苑牡丹说，又主武则天贬长安牡丹于洛阳说，所依据的是古代小说中的情节。