The summary of the CPC's achievement and construction experience was put on the agenda in the 90th anniversary of the party's establishment. The existing research mainly focuses on the macroscopic level to make summarization and classification. This paper chooses both micro and macro perspectives to hackle the creation, achievements and experience of the CPC's grass-roots work in recent years. Grass-roots party organizations have made great achievements in recent years in terms of grass-roots election democracy, grass-roots deliberative demo...