2. Secondary pre-inspection: consultation area/ward entrance;

3. Three-level pre-inspection: the attending doctor of the clinic.

Three-level pre-inspection and triage: when patients go to the hospital, they first measure their body temperature at the outpatient door of the hospital, check their health code, travel code and whether they wear masks regularly. After arriving at the waiting hall, the medical staff will take the temperature again and check whether the health code, travel code and mask are worn correctly.