In terms of material preparation, it is necessary to prepare appropriate food and vegetables, try to choose meat and vegetables that are not easy to deteriorate, and ensure the normal dietary needs of the body. It is also necessary to prepare some water in case of water shortage during isolation. Of course, alcohol, masks and other epidemic prevention items are also needed, which can protect themselves well when shopping and nucleic acid testing. Finally, it is necessary to prepare some medicines, such as Huang Yi Daoluo Oil. If you feel physical pain during isolation, you can use these medicines in time to relieve it.