A positive nucleic acid test generally means a positive nucleic acid test for the new coronavirus, which usually requires immediate isolation and treatment, as well as a canvassing of places where the patient has been and tracking down close contacts. Specific measures are as follows. 1. Immediately isolate the patient for treatment, choose the treatment plan according to the degree of the patient’s condition, and the patient should actively cooperate with the treatment. 2. Examine the places where the patient has been and track down the close contacts to prevent the spread of the epidemic. 3. Close the cell unit where the patient is located for control and disinfection, and the residents of the cell should cooperate with the nucleic acid test. 4. Patients should not hide the people they have contacted and the places they have visited, and should report truthfully. 5. Strictly abide by the policy of lifting the isolation, isolation for 14 days, the interval of more than 24 hours Nucleic acid test is negative twice before lifting the isolation. After release from quarantine, home observation should be done, and medical attention should be sought in a timely manner when symptoms occur.