1. First, report the application to the local town, street and farm within 24 hours with negative proof of nucleic acid test, travel code and health code.
2. Followed by the reasons for the business trip and supporting materials (such as the notice of starting school, work notice, medical records, etc.). ) by the local authorities to review. If the situation is true, the application materials shall be kept in China.
3. Then, the traveler truthfully fills in the travel documents and receipts, and the information on the receipts is consistent with the information on the first page of the documents (all travelers' names, gender, ID numbers, mobile phone numbers, modes of travel and places), and a second review is conducted in China.
4. Finally, in the name of the territory, apply to the Municipal Defense Office for the certificate of leaving the city through the network.