Students from Chaoyang School affiliated to Tsinghua University cannot enter Tsinghua University freely. Although Chaoyang School affiliated to Tsinghua University is affiliated to Tsinghua University, they are independent in management and operation. Students entering Tsinghua University campus free of charge need to apply and approve according to specific conditions and purposes. For example, students need to participate in teaching activities, scientific research projects or visiting activities in Tsinghua University, and they need to apply to the school or relevant departments in advance and get permission. The school will decide whether to allow students to enter and leave the Tsinghua University campus according to the considerations of safety, education and management.