Legal analysis: isolation is required after returning to China 14 days. Generally speaking, you can contact others after 14 days, but there are some exceptions. For example, after 14 days, there is an abnormality in the isolated person, and it is necessary to continue isolation at this time. Only in this way can you be prepared.

Legal basis: Article 33 of the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases. Disease prevention and control institutions should take the initiative to collect, analyze, investigate and verify the epidemic information of infectious diseases. Upon receiving the epidemic report of Class A and Class B infectious diseases or discovering the outbreak and epidemic of infectious diseases, it shall immediately report to the local health administrative department, which shall immediately report to the local people's government and report to the health administrative department at the next higher level and the health administrative department of the State Council. Disease prevention and control institutions shall set up or designate special departments and personnel to be responsible for information management of infectious diseases, and timely verify and analyze epidemic reports.