The study of legislator political career path so far has indicated that it can be influenced by legislative resources and local ecology. The legislative resources consists of salary of legislator, assistant¡¦s numbers, time in session , staff and facilities while local ecology depends on faction, party, and opportunity structure. By using of Taipei city council and Kaohsiung city council as study objects, we analyzed the difference of legislator political career, legislative resource and local ecology between Taipei city council and Kaohsiung city council. In conclusion, we found that the legislative resources not only give progress of legislator but also help their development in legislature. Moreover, the faction is also facilitated their development in legislature while party influence contributing higher position of legislator, and their opportunity structure are related the higher office of them.