Abstract: The lack of various livelihood capitals has become one of the biggest obstacles to migrant workers urban lives. Therefore improving the livelihood capital of migrant workers has become the foundation and key to eliminating poverty of migrant workers and to improve their life satisfaction. This paper established a dual logistic regression model and analyzed the impact of livelihood capital on the life satisfaction of urban migrant workers in Hangzhou City. The results showed that:①the livelihood capitals of migrant workers in Hangzhou has spatial differences， the value of livelihood capitals of suburb areas is the highest， followed by the central area， then the outer suburbs;② migrant workers have lower conversion capacity of all kinds of livelihood capitals， with the consideration of the lack of human capital， weak physical capital， insufficient financial capital， and limited social capital;③social capital and human capital are the most important factors to affect the life satisfaction of migrant workers in Hangzhou City. At last， some suggestions are proposed in the hope of providing some references to achieve the sustainable livelihoods of urban migrant workers in Hangzhou City.

Key words: migrant worker, livelihood capital, life satisfaction, Hangzhou City