Agricultural Heritage is a new type of world heritage. About how to protect it, there is no precedent case for us to use for reference, This article discussed the particularity and complexity of tourism development in agricultural heritage site and pointed out ecotourism is the key to untie the embarrassment of protection and development in agriculture heritage site, Ac cording to the definition of agricultural heritage, the author confirmed agricultura 1 heritage as a special heritage type, which is in natural heritage, cultural heritage and agricultural landscape. Then from the ecotourism development of world heritage and agriculture, we got some enlightenments and experiences for reference to direct the ecotourism development of agricultural heritage site. Lastly, Taking traditional rice-fish agriculture of Qingtian County as an Exam pie, this paper explored the ecotourism development pattern of agriculture heritage site from four aspects of the spatial arrangement, production exploitation, environment conservation and administration, and purposed it can provide some reference for ecotourism development in agricultural heritage site.