That political knowledge may have impacts on political evaluation and political evaluation may affect voting choice have been speculated. Using post-election survey data of the 2001 legislative election, this re-search intends to explore the explanatory factors that influence political knowledge, to identify the relationship between political knowledge and political evaluation, and to link political evaluation and voting choice. The results show that political knowledge has significant impacts on polit-ical evaluation, and political evaluation influences the legislative vote choice. Political evaluation, both the evaluation of economic performance and the evaluation of major parties, influenced by political knowledge in-dependently form socio-demographical factors. After analyzing the full model, we confirmed that political evaluation has impacts on voting choice.