1. People who come (return) to Shenzhen from high-risk areas. Centralized isolation 14 days, nucleic acid detection every day 7 days before nucleic acid detection, nucleic acid detection on 10 and 14 days.
2. Personnel from (back to) Shenzhen in the middle risk area, and personnel from (back to) Shenzhen in the county (city, district) where the high risk area is located. 14 days for home isolation, 1, 3, 7, 14 days for nucleic acid detection.
3. There are people coming (returning) from the community epidemic cities. 7-day home isolation and 7-day home health monitoring were carried out, and nucleic acid detection was carried out on 1, 3, 7 and 14 days.
4. There are obvious community exchange cities (or counties, districts, banners) to (back to) deep personnel. Family health monitoring was carried out on 14 days, and nucleic acid detection was carried out on 1, 3, 7 and 14 days.
5. When a local cluster epidemic occurred in many parts of China, all the people who came (returned) to Shenzhen. Implement "3 days and 2 inspections" and allocate "yellow codes".
6. When the domestic epidemic spread, all those who came (returned) to Shenzhen. Implement "four ones" health management and 14-day self-health monitoring.