Is it illegal to close the door at home for 7 days?

This is not illegal. During the 7-day home isolation period, family members will inevitably come into contact with it. In order to ensure the health and safety of residents to the greatest extent, not only the observed person is required not to go out, but also his family members should cooperate with the work of prohibiting going out, otherwise he will be punished for going out without permission.

：

1, home isolation is a means of prevention and treatment of infectious diseases, which is suitable for all people who have home contact with diagnosed patients. Family isolation is one of the important methods to prevent virus infection.

2. Generally speaking, people who come into contact with confirmed patients and suspected patients must stay at home and receive isolated home treatment. After the longest incubation period of the virus, if there is no infection, you can remove the isolation and return to normal life.