Qingdao University and Ocean University are not allowed to sell things at the door. The side door of the new campus of Qingdao University of Science and Technology sells some snacks such as pancake fruit, box lunch and ground meat. There are many snacks in front of the old campus of Qingdao University of Science and Technology. Students in Sifang Campus of Qingdao University of Technology usually go down the mountain for 5 minutes to buy mala Tang in a roadside shop there. A while ago, some snacks such as steamed buns were sold at the door, but recently they suddenly disappeared, which may have been banned by the school. In addition, Ocean University Laoshan Campus may be able to buy things.

Generally speaking, if you are at the school gate, you usually sell vegetables. Rent a small shop, you can sell cheap clothes and bags, and of course you can also sell food.