Based on the survey data of 1141 migrant workers from 25 provinces in China,the paper analyzes the determinants to rural migrant workers' career development through building Multi-Ordered Logistic Model.The results show that,the variables of rural migrant workers' gender,age,education level,accumulative working time in the industry,accumulative working time on the post,the situation of skills training and the nature of the industry have significantly positive effects on rural migrant workers' career development.By contrast,the utilization situation of blood relationship and geo-relationship,en...