The decision on how long a patient with new crown can be released from isolation after positive conversion needs to be made in accordance with the epidemic prevention policy. According to the latest requirements, the new crown infected people should be scientifically categorized admission and treatment, with home isolation conditions of asymptomatic infected people and light cases generally take home isolation, but also can voluntarily choose to centralized isolation admission and treatment. During the home isolation period, two consecutive nucleic acid test Ct value ≥ 35 on the 6th and 7th day of isolation can be released from isolation, and for the aggravation of the condition, it will be transferred to designated hospitals for treatment in a timely manner. Please consult the quarantine personnel for the specific quarantine time after the new coronavirus positivity turns negative, and follow the local epidemic prevention policy. If there are cold symptoms such as fever, cough, runny nose, etc., they need to be reported to the staff in time.