The rural migrant workers’ desire to settle in the cities is of great significance to improve the progress of urbanization. Analysis results based on spot survey on seven provinces and municipality of China show that the desire of migrant workers to settle in the cities is obviously influenced by individual characteristics such as sex, age, education, occupation and so on, economic factors such as type of housing, land, social security and so on, and family and social factors such as the place for their children to study and working places of their spouses, however, the factors such as the working places of the migrant workers, their staying time in the cities and employment state have no significant influence on their desire to settle in the cities.