Forest is the main body and important resource of terrestrial ecosystem, containing rich and diverse food varieties. Establishing the concept of "big food" and making good use of the food resources contained in forests are of great significance for ensuring national food security, cultivating, protecting and utilizing forest resources, and better meeting the diverse food consumption needs of the people. Adhere to the concept of green development. To ask for food from forests, we should handle the dialectical relationship between development and protection. On the one hand, we should strictly observe the red line of ecological protection, the bottom line of environmental quality, and the upper line of resource utilization, continue to carry out projects such as returning farmland to forests and ecological protection and restoration in key areas, extensively implement the restoration of degraded forests and forest tending, plan for afforestation in multiple ways and by multiple means, improve the quality and total volume of forests, promote the reproduction of various forest species, and maintain the continuity of biological populations. On the other hand, it is necessary to focus on improving the quality and efficiency of forestry, cultivate superior varieties of forest products, develop ecological industries such as seedlings and flowers, undergrowth economy, and traditional Chinese medicine, and develop diversified, nutritious, healthy, convenient and fast series of forest products, so as to transform the advantages of forest resources into industrial advantages. Optimize the structure of forest products. Many foods provided by forests not only contain high-quality nutrients, but also have good food and drug homologous value, with a large market demand. With the improvement and upgrading of people's dietary structure, it is necessary to optimize the structure of forest products and ask for heat and protein from plants, animals and microorganisms in the forest. We should constantly optimize the structure of forest products and ensure the supply of all kinds of food according to the changing trend of people's food demand. Innovate forest biotechnology. We should be good at using biotechnology to promote the development of forest food resources, improve the production capacity and quality of forest products, and truly implement the concept of "storing food in technology". In terms of breeding technology, we can focus on forest and fruit strategic species, expand the technical path, carry out fine variety breeding, and improve breeding efficiency; In terms of deep processing technology, leading enterprises should be guided to introduce modern processing technology and modern processing equipment extensively, accelerate the integrated application of biological, environmental protection, information and other technologies, and promote the realization of multiple processing and multiple value-added of forest products; In terms of pollution prevention and control technology, we will continue to promote the reduction of chemical fertilizers and pesticides, white pollution control and waste recycling, achieve the cycle of planting and breeding, improve the function of water and soil conservation, and ensure that the total amount of forests is not reduced, the function is not degraded, and the production capacity is sustainable. (Look out