从十九世纪的早期移民、二十世纪早期的中国难民、二战后到加尔各答的移民、职业特性等方面阐述了加尔各答华侨华人的移民模式、经济特性、努力奋斗成为当地居民的过程及其为当地经济发展所作的贡献。 From the early immigrants in the nineteenth century, the Chinese refugees in the early twentieth century, the immigrants and the occupational characteristics after the Second World War to Calcutta, we explained the immigration patterns and economic characteristics of overseas Chinese in Calcutta, and worked hard to become local residents. Economic development made by the contribution.