In household contract responsibility system, household was the basic production unit, which give chance for the family affections to play their roles in the process of household production and distribution. With family affections, family members were willing to neglect personal interest calculation under the aim of family harmoniousness, prosperity and happiness. In this way, both the enthusiasm of labor and production efficiency was elevated. Thererfore the culture factor of family affections is the key for the success of the responsibility system. An understanding of this point is helpful for us to discover the vividness aspects of our cultural traditions instead of a dying heritage.