It's not illegal. Fried fruit is the breakfast food for most people in Tianjin. As long as the food is qualified and has relevant certificates, it can be operated. Open air is just a way to set up a stall, as long as the hygiene is qualified, it is not illegal. The fragrant fried fruit is not only delicious, but also particularly satisfying. The fried fruit looks different, and there are long strips of fruit, which are called fried dough sticks in Beijing. There is a kind of thin and crisp pot grate, which Beijingers call crispy.