Abstract: Combining the study of periodic fluctuation phenomenon of hogs supply demand system with controlling measurements of the authority, this paper proposes a series of strategies. They are establishing information feedback control model, developing and supervising the related markets, ensuring the markets running in order, saving hogs in classifycation, decreasing the change range of their supply prices, shortening the lagging period of their supplies, helping the development of the related non-staple food productions and premoting the force of the negative feedback of the demand system as a sub-system.