The topic of choosing a research site in Cao Bang province of Vietnam, the purpose is to build a data of medicinal plants that are eaten by animals and humans (vegetable plants, edible plants (seeds/fruits), plants for food animals). Data is built based on references, fieldworks, information of specimens located at herbaria (HN, VNM). Identification of plant specimens based on morphological comparison method. Collection of use value information of plant species based on references related to medicinal plants and useful plants.Application of Microsoft Access to analyze data. A list of 216 medicinal plant species that are eaten by animals and humans in Cao Bang province has been compiled. A model built for research and development of those species based on comprehensive cooperations and supports from agencies of agriculture, construction, essential oil, fashion, forestry, medicinal plants, ornamental plants. The agencies can support the research and development of 216 species. Each species can be supported by several agencies: 2 species can be supported by 5 agencies. 9 species can be supported by 4 agencies. 14 species can be supported by 3 agencies. 191 remain species can be supported by 2 agencies.