Forest foods are from forest. The producing area environment includes the forest coverage rate, forest health degree, biodiversity, conservation of water and soil and other regional requirements cover air, soil, irrigation water. Therefore, the forest food regional brand value will reflect forest resources endowment, forest culture and ecological environment. The regional brand construction can transform forest resource gift advantage into forest food industry competitive advantage. It will promote the development of forest zone economy. The local government plays a special role in the forest food regional brand construction and maintenance. The article argues the meaning of regional brand for forest foods. It analyzes the economics characteristics for the brand including public goods, and the property right and externality. The article does research in multiple factors affecting brand construction from region, industry, enterprise and support factors and analyzes the relationship between the influence factors and local government behavior. By game theory, it demonstrates the construction process function of the local government behavior in the forest food regional brand.