Online transcoding method: Step 1, open payment and select "health code"; Step 2, select "health code transcoding registration" in related services under health code; Step 3, selecting a yellow code transcoding application or a red code transcoding application; Step 4: Submit personal commitment letter, photos of the front and back of ID card, screenshots of national travel code, community certificate, and proof of two nucleic acid tests within 72 hours (the interval between two nucleic acid tests is more than 24 hours) and other materials for online transcoding. Offline transcoding mode: yellow code personnel need to be supervised at home for 7 days, provide negative proof of two nucleic acid tests for 3 days (the interval between two nucleic acid tests is more than 24 hours), and the community will report the personnel information to the county epidemic prevention and control headquarters for unified transcoding; People in red team need to be quarantined for 14 days, and provide negative nucleic acid test certificates for 4 times to their communities. The community reported the personnel information to the county epidemic prevention and control headquarters for unified transcoding.