1, the county-state parallel system was implemented in the early Han Dynasty.

2. The policy of rest and recuperation refers to that after the great turmoil or long-term war, the rulers do not engage in the rule of wasting people's money and severely punishing the people, but adopt the policy of lenient punishment and thin taxes to maintain the people's strength and multiply the population, so as to achieve the purpose of restoring and developing the economy and stabilizing the rule.

Main measures:

(1) Adjust and establish a new system.

(2) suppress businessmen. It is stipulated that businessmen should not be officials, wear silk fabrics, ride horses with weapons, and impose heavy taxes on businessmen.

(3) Pro-Huns.

(4) Eliminate the king with different surnames and enfeoffment the king with the same surnames. For example, Han Xin and Peng Yue were killed for rebellion. On the one hand, Emperor Gaozu adjusted the relations of production to meet the needs of the development of productive forces and consolidated the feudal economic foundation; On the other hand, a set of ruling system of the Western Han Dynasty was initially established, and the feudal superstructure established since Qin Dynasty was restored and perfected, which laid the foundation for the prosperity of the Western Han Dynasty.

(5) Return the land, persuade the people to return home, release slaves for the people, and pay fifteen taxes.