From the founding of China of People's Republic to now,Chinese government plays guiding role in agriculture.Since the reform and open to outside world,the process of marketability of agricultural products is speeded up,the management of government in agriculture is obviously decreased,but the governmental behavior which is embodied in the related policies is still the core in the factors which influence agricultural development and increasing peasant income.Thus,the first step is to look for the effective answer from the choices and evolution of governmental behaviors in order to solve the problem of increasing peasants' income.