中文摘要：

随着国家“一带一路”战略深入实施，中国一东盟自由贸易区升级版建设进程加快，为北部湾经济区旅游业带来了新的发展机遇。但由于北部湾经济区六市在旅游资源、市场等方面极为相似，导致产品雷同，竞争严重，亟需进行产业集群来改变现状。通过构建北部湾经济区旅游产业钻石模型，分析得出该区域旅游产业呈现高水平的专业化，适合产业集群发展，进而提出北部湾经济区旅游产业集群深度推进模式。

英文摘要：

The in-depth implementation of China＇s national strategy of ＂the Belt and Road＂ speeds up the pro- cess of the updated version of construction of China-ASEAN Free Trade Area, presenting new development op- portunity for tourism industry in Beibu Gulf Economic Zone. However, the cities in Beibu Gulf Economic Zone are strikingly similar to one another in tourist resources and markets, giving rise to similar products and fierce competition, which calls for industry clusters to change the existing status. Construction and analysis of diamond model for tourism industry in Beibu Gulf Economic Zone suggests high level professionalization of the tourism in- dustry in conformity with industry cluster, which, in turn, results in an in-depth promotion model for tourism in- dustry cluster in Beibu Gulf Economic Zone.