They believe that different cultural backgrounds are the main factor in conflicts between the local population and immigrants. This context includes religion, race and general public perception. Mumbai, the largest city in India, experienced a great conflict over the religious issue and nearly 6 hundred people died (“National Borders Identities Conflict”). But over time, conflicts will disappear through mutual understanding. And with the development of globalization, more immigrants will be admitted to other countries. Cultural exchange and integration will become the main theme between local people and migrants in the future. This is also an unstoppable trend and governments should consider ways to reduce resistance to cultural exchange and help maintain social stability. Additionally, if governments deny immigration for security reasons, it means they are denying many opportunities to develop their own countries. Some people who have the courage to change their lives want to emigrate and can bring a positive attitude to local development. For example, a Whitehouse ad shows that immigrants have not only brought more opportunities to America, but also kept America younger (“Ten Way Immigrants Help Build and Strengthen Our Economy,” Jason Furman). It is also a positive return for society. Migration does not have a major impact on local markets, wages and security concerns. On the contrary, migration will bring certain benefits to local development. Immigrants start their businesses to provide opportunities to local residents and transmit an updated spirit to the local population. In general, even if immigration has negative effects on the local population, the benefits produced by immigrants outweigh these harms. Governments should consider how immigrants benefit from certain benefits instead of limiting