Jiazhengfa 家政法

Jiazhengfa 家政法 "Methods of household management" was a book on agriculture written by an unknown author at an unknown early date. It does not appear in any ancient bibliography and is first quoted in Jia Sixie's 賈思勰 (fl. 544) treatise Qimin yaoshu 齊民要術 from the Northern Wei period 北魏 (386-534).

Surviving fragments of the Jiazhengfa were collected by the Qing-period 清 (1644-1911) scholar Ma Guohan 馬國翰 (1794-1857) and are to be found in his series Yuhanshanfang jiyi shu 玉函山房輯佚書.

The fragments deal with the cultivation of vegetables, cattle breeding and the raising of chicks and ducks.