Nucleic acid test paper test claim is inaccurate, should be new coronavirus antigen detection kit, through the antigen and antibody binding reaction on the test strip, 2 bars indicate that the sample detected new coronavirus antigen, suspected new coronavirus infection. There are three types of test results 1. Positive antigen test: A positive result is indicated by the presence of a red or purple band at both “C” and “T”. If the result is positive on both occasions, it means that you have been infected with the new coronavirus, and you should try to isolate yourself if possible. If fever, cough, sore throat and other symptoms occur, symptomatic treatment can be carried out. If the temperature is greater than 38.5℃, acetaminophen or ibuprofen can be applied to reduce fever, while drinking plenty of water and reducing fever by physical cooling. If cough is present, some common cough suppressants such as licorice tablets, levohydroxypropylpiperazine capsules, and aminoglutethimide tablets can be taken orally. If there are no symptoms, you can observe at home. 2. Negative antigen test: “C” shows a red or purple band, “T” shows no band. 3. Invalid result: “C” does not show a red or purple band, the result is invalid and needs to be retested. The result of the antigen test is not a basis for diagnosis, and those who are positive are recommended to go to the hospital for nucleic acid test to make a clear diagnosis.