Abstract: Based on the background of "talent competition" and the perspective of regional talent policies, this paper uses natural language parsing (NLP), text mining to collate the quantitative data of 3308 local talent policies in China from 2002 to 2021, designs the quantitative standard, process and evaluation system of talent policy under the dimension of "multi region-multi policy", on this basis, combined with individual micro data, investigates the influence of urban talent policy on talent migration decision. The findings are as follows: 1. The improvement of the comprehensive score of urban talent policy can significantly increase the probability of the city being selected by talents. From the perspective of cities, the effect of talent policy is more obvious in smaller and non-capital cities. In terms of individual characteristics, the group of highly-educated, high-income and the young and middle-aged talents aged 25-54 are more sensitive to the change of the comprehensive score of talent policy. 2. Specific to the four types of policy links, There are significant differences in the actual effect of talent policies issued by cities of different geographical regions. The policies of introducing, retaining and employing talents in eastern coastal cities and southern cities can significantly affect the inflow of talents, while in inland areas, the effect of the policy of cultivating and employing talents is not obvious, in northern areas, only the policy of retaining talents can make a difference. 3. From the perspective of the three types of policy tools, different age groups and different types of talent groups also have different preferences. From the perspective of age, the talent group under 35 years old is more sensitive to short-term and subsidized content changes such as subsistence allowance and salary benefits, while the talent group over 35 years old is relatively more concerned about children admission and personal career development and other safeguard and development policies. In terms of different types of talents, the innovative and entrepreneurial talents are very concerned about changes in development policies such as financial support and innovation carrier construction, the enterprise management talents are more concerned about incentive policies such as subsistence allowance and personal income tax incentives. Rural practical talents pay more attention to safeguard policys, such as household policies.