Abstract: In the process of realizing the political functions of grassroots party organizations， the accountability mechanism can be embedded by relying on the three accountability elements of controllability， transparency and responsiveness， so as to promote the strengthening of grassroots political power by standardizing organizational behaviors， implementing superior policies by breaking information barriers， and publicizing the party's views with a strict attitude of accountability， thereby effectively ensuring the smooth realization of political functions of grassroots party organizations. From the perspective of the embedded accountability mechanism， the realization of political functions of grassroots party organizations mainly presents such practical problems as the “collusion” relationship between powers， the generalization of accountability， improper forms of information disclosure， ineffective public supervision， ineffective monitoring and response to local public opinions， and the mere formalism of propaganda response. In order to ensure the smooth realization of the political function， we can construct the optimized path to embed the accountability mechanism in the realization of the political function of the grassroots party organizations from three aspects: optimizing the structure and level of the accountability mechanism， strengthening the effectiveness of information disclosure and supervision， perfecting the accountability results and publicizing the accountability attitude.

Key words: grassroots party organizations, political function, accountability mechanism, accountability elements