1, Ganoderma lucidum in guanxian. Guanxian Ganoderma lucidum is a specialty of guanxian, Liaocheng City. Guanxian Ganoderma lucidum was awarded the national geographical indication certification trademark. Guanxian is located in Luxi Plain, with distinct climate and four distinct seasons, which is suitable for artificial cultivation of Ganoderma lucidum. The cultivation and promotion of Ganoderma lucidum in this county began at 199 1. By 2005, the number of Ganoderma lucidum greenhouses had increased from dozens to more than 3,000. Dianzi Town, guanxian is known as the hometown of Ganoderma lucidum. The output of Ganoderma lucidum accounts for 30% of the whole country, and it is an important production base of Ganoderma lucidum.

2, Ding Majia fish. Ding Majia fish, also known as "Huang Yun soft-shelled turtle", is a specialty of Weiwan Town, Linqing City, Shandong Province, and a symbolic product of chinese national geography. Named after Majiahu, it originated from Martin Village in this town. The turtle culture in this area has a long history, and the fish produced by Dingmajia is the first green food in China, which has high edible and medicinal value.

3. Linqing garlic. Linqing garlic is a specialty of Linqing City, Liaocheng City, Shandong Province. Linqing garlic has the unique qualities of large garlic head, rich juice flavor, pure spicy taste, crisp and delicious taste, no loose petals, mildew resistance, rot resistance and storage resistance. Linqing garlic was awarded the national geographical indication certification trademark. Linqing City, Shandong Province is the hometown of garlic, which has been planted for more than 100 years. Linqing, located in the alluvial plain of the Yellow River and Haihe River in the northwest of Shandong Province, has the unique characteristics of natural resources such as soil, accumulated temperature, precipitation and temperature, which determines that the garlic produced has the unique qualities of large garlic head, rich juice flavor, pure spicy taste, crispy and delicious, non-disintegration, mildew resistance, corrosion resistance and storage resistance.

4. Gaotang old tofu. Gaotang old tofu is a special snack in Gaotang County, Liaocheng City, Shandong Province. Gaotang old tofu, also known as bean curd, tastes smooth and refreshing, with unique bean flavor, seasoning flavor and halogen flavor. It's a famous food of Gaotang. Gaotang old tofu is made of selected high-quality soybeans. Peel and crush soybeans, soak them in sun-exposed storage water (purified Yellow River water is the best), and grind them into pulp with a stone mill after eating. Packaging after foaming (filtering residue), boiling in a pot to make bean juice, cooling, putting in a bucket or vat, adding gypsum, sealing, and making hometown tofu for 20 minutes.

5. Shenxian mushroom. Shenxian County belongs to Liaocheng City, Shandong Province, and is located in Luxi Plain, at the junction of Hebei, Shandong and Henan provinces. Mushroom cultivation in Shenxian county has a long history, large area, high yield and good quality. It is one of the largest edible fungi planting bases in China and a national ecological demonstration area.