Legal basis: Article 5 of the Notice of the Ministry of Agriculture and Rural Affairs on Printing and Distributing the Administrative Measures for National Demonstration Zones of Healthy Aquaculture and Ecological Aquaculture (for Trial Implementation) meets the basic conditions of national demonstration zones and the people's governments at the county level apply voluntarily. The application materials include the Application Form for the Establishment of National Demonstration Zone (see Annex 2), the demonstration work plan and other supporting materials. , proposed by the people's government at the county level, with the consent of the fishery administrative department at the prefecture level and the people's government at the same level, and reported to the provincial fishery administrative department for the record.