The Qin - Han period was one when feoff system was replaced by fedual ownership of land and ideology changed.There appeared a kind of relatively open and farily free atomosphere of life.

• 秦汉是采邑制与封建地主土地所有制，以及形态观念转换的时期，出现了一种相对开放的社会风气，生活氛围比较宽松。