1, over the bridge rice noodles – eating a bowl of rice noodles is equal to eating a plastic bag. The original ingredients of the rice noodles are soaked in formalin water. 2, deep-fried – fried skewers taste really good, but do you know what oil is used to fry the skewers? Even if it is genuine oil, but do you know they change it once every few days? 3, lamb skewers – there are reports that a barbecue stall lamb skewers are used stray cats or dead pork and even rat meat to pass off as lamb to cheat consumers! 4, seafood stalls – to buy aquatic products to see two smell three touch, the color is too bright, smelling odor, touch hard, poor elasticity, it is best not to buy. 5, stinky tofu – stinky tofu in the fermentation process, very easy to be contaminated by microorganisms, and at the same time will volatilize a lot of methane.