Supported by commercial capitalists and intellectuals of big cities, and Mitsubishi, the party maintained the political gradualism with the two pillars of ideas of "flourishing of the imperial family" and "people's happiness," setting a goal to establish the moderate constitutionalism based on British constitutional monarchy, bicameral system, suffrage restricted by property, and the expansion of sovereign right.
都市の商業資本家・知識人層・三菱を支持基盤として、「王室の尊栄」・「人民の幸福」を2大方針として政治漸進主義を唱え、イギリス流立憲君主制・二院制議会・財産制限選挙制・国権拡張などの穏健な立憲政治を目標に掲げた。