This study mainly tried to analyze the economic behaviors of family farm, cinsidering the triple roles of family farm as the farm firm, the laborer's houshold, and the consumer's houshold. This study focued on developing a complete model of Taiwan's continuative record-keeping farm families. Based on this model, a thorough empirical study has been fullfilled. The main results could be summarized as follows: 1.The traditional argicultural household model must be modified for empolying on rice family farms. 2.Profit effect and off-farm employment effect may indirectly affect economic behaviors of family farms. 3.Off-farm labor supply curve of rice family farms may appear backward bending. 4.The decision process of funds fiow is not affected by market information significantly. 5.The choice of consumption is influenced by off-farm employment. 6.Direct payment policy is more effective than guarantee price policy on increasing farm family income.