The purpose of the paper is to explore the factor that might influence atypical workers¡¦ turnover intention as the ¡§Atypical employment¡¨ is increasing in Taiwan over the last few years. Will try to understand weather or not an atypical workers¡¦ psychological contract, social capital, employability and relationship perception will influence their turnover intention. And also discuss the situation of atypical worker¡¦s turnover intention, psychological contract, social capital, employability and relationship perception. The findings are shown as the following: 1. The atypical workers in telecommunication service industry reported lower psychology contract violation than other sub-groups did. 2. The atypical workers in telecommunication service industry reported greater social capital than other sub-groups did. 3. Atypical workers generally reported the same employability. 4. The atypical workers in Electronics and Technology industry reported lower relationship perception than other sub-group did. 5. Psychology contract influences the atypical workers¡¦ turnover intention significantly. 6. Social capital influences the atypical workers¡¦ turnover intention significantly. 7. Employability influences the atypical workers¡¦ turnover intension significantly. 8. Relationship perception influences atypical workers¡¦ turnover intension significantly.