The Notice of the Special Class of Port Epidemic Prevention and Control Work of Zhuhai Epidemic Prevention and Control Headquarters Office on Further Strengthening the Prevention and Control of Epidemic Spread among People in the Province requires that from now on, passengers leaving Julie through airports, urban rail and bus stations within Zhuhai's jurisdiction must issue a green code of "health code" and a negative certificate of nucleic acid detection within 72 hours. Among them, passengers who have traveled to Guangzhou and Foshan within 14 days must provide negative proof of nucleic acid test within 48 hours. Passengers who can't leave on time because they can't issue a negative certificate of nucleic acid test in time can apply for refund and change to the ticketing agency in accordance with relevant policies.