Introduction to agricultural tourism: Jiucheng Palace has the country's advanced ecological agriculture demonstration base. Thirteen modern solar greenhouses are planted with advanced technologies that combine multi-layer hydroponics, column cultivation, soilless cultivation and soil cultivation. Various ecological fruits and vegetables, including bananas, strawberries, nectarines, grapes, mulberries, watermelons, cucumbers, colorful small persimmon series, black mustard, golden mustard, purple-backed geranium, lettuce series and other rare and special fruits and vegetables, which are the most popular products in Jiucheng. Palace Ecological Catering provides sufficient healthy ingredients, provides ecological agriculture viewing and fruit and vegetable picking services; and has newly introduced a wide variety of flower pots for people to view and purchase.