His petition dealt with a wide range of matters: 'Constitution,' i.e. the separation of the administrative, legislative, and judiciary branches of government; 'Giji-in' (Diet), i.e. having a bicameral parliament with a lower and upper house; 'Schools'; 'System reform'; 'National polity,' i.e. the shift from the feudal system to the county/prefecture system, abolishment of the hereditary system, and tax system reform; 'Nation building techniques'; 'Iron and steel production'; 'Currency'; 'Food and clothing'; 'Education for women' that promoted the education of girls; 'Heikin-ho' (averaging method), i.e. the average distribution of property; 'Brewing methods'; 'Treaties'; 'National warship program'; 'Harbor regulations'; 'Citizen welfare'; 'Laws concerning hair'; 'Henbutsu-ho' (laws concerning temples), i.e. the opening up of temple schools to the public; 'Shoritsu' (commercial laws); 'Jiho' (timetable method); 'Rekiho' (method of making calendars), i.e. the promotion of the adoption of the solar calendar; and 'Kani' (office doctor), i.e. the promotion of the adoption of Western medical science.
三権分立の「政体」に始まり、大院・小院の２院制の「議事院」「学校」「変制」、封建制から郡県制への移行や世襲制の廃止、税制改革まで唱えた「国体」「建国術」「製鉄法」「貨幣」「衣食」女子教育を勧めた「女学」遺産の平均分与の「平均法」「醸造法」「条約」「軍艦国体」「港制」「救民」「髪制」寺の学校への開放を唱えた「変仏法」「商律」「時法」太陽暦の採用を勧めた「暦法」西洋医の登用を訴えた「官医」と内容は多岐にわたる。