1997年12月3日，聯合國教科文組織世界遺產委員會一致通過，將麗江古鎮列入《世界遺產名錄》。被納入世遺保護嘅範圍除咗大研古鎮外，仲有白沙、束河等兩處民居建築羣。
On December 3, 1997, the UNESCO World Heritage Committee unanimously approved the inclusion of Lijiang Ancient Town in the World Heritage List. In addition to Dayan Ancient Town, there are also two residential buildings such as Baisha and Shuhe.