1, received SMS + green code: home health monitoring for 14 days, non-essential not to go out, do need to go out, should strictly implement the wearing of masks and other personal protective measures, to avoid going to crowded places, not to participate in weddings, dinners and other gatherings of activities.

2. Receive SMS + yellow code: report relevant information, home isolation for 14 days, forbidden to go out, and arrange 3 times nucleic acid test.

3, received SMS + red code: immediately to the community or the grid operator to report the relevant information: name, phone number, ID number, address, the recent nucleic acid test time, arranged to isolate the point of centralized isolation as well as 3 times the nucleic acid test.