This paper analyzes two types of agricultural economic organizations, namely, the family management system and enterprise plus farmer from the perspective of system economics, and points out the proof that the long-time existence of family economic organization and its low efficiency lies in different characteristics, one-purpose use of the capitals and the uncertainty of the agricultural economy.

The ideology and the welfare function of the agricultural land because of the strain between population and land lead to the household contract institution.

Some people suggest that the essential cause is the contradiction between household operation and uniform market, so they have doult about household operation.

There are three kinds of operation in form including family management,enterprise operation and cooperative organization operation,family management still be the major style which scale is too small.

With the theory of institutional changes of new institutional economics, this article analyses the causes of new agricultural machinery working organization generation, under the condition of family management in china.

There exists a series of theoretical or practical mistakes if the industrialization of agriculture in China,such as particularly stressing on the leading enterprise;making light of farmers organization,unilaterally pursuing scale management, weakening family management,and excessive specialization,etc.

An Empirical Analysis on the Technical Efficiencies and the Decomposition of TFP of Farmer s Household Management;

The necessity of strengthening household management and its new approaches was discussed in this paper.

This paper discusses five problems including family operation, appropriate scale management of agriculture, agriclultural industrialzation, transfer of surplus agricultural labor, and stitutions of agricultural land.