Tang Zhen centers upon enriching people and puts forward some reformation ideas of great historic significance such as establishing the country based on enriching people and forming households; agriculture-orientedness and equality of agriculture and business; eliminating vermin and becoming rich through diligence.

Although the lord of a tianzhuang in the Han Dynasty controlled his clansmen,guests,tufu,buqu and slaves and maid-servant,who were either employed or paid rent to the lord,all of them,except slaves and maid-servants,were the legal subjects of the state the majority of whom were under the control of the state and must assume responsibility for the state.