Antigen test vaguely two lines means that the patient may be infected with the virus, the patient should promptly go to the hospital for nucleic acid testing, if it shows positive, it means that the patient has been infected with the virus, negative is not infected. When patients use the antigen test paper by themselves, the phenomenon of two lines vaguely indicates that the patient may be infected with the virus tested, at this time the patient should do a good job of personal protection, wear a good mask and go to the hospital for examination. Patients can be timely nucleic acid test, can be collected by pharyngeal swabs, nasal swabs, anal swabs and other ways to test, if the patient’s nucleic acid test results show positive, that the patient has been infected with the virus, if the results of the nucleic acid test shows negative, that is not infected with the virus. When the antigen test has two lines vaguely, the patient may be infected with the virus. The patient should go to the hospital in time and follow the doctor’s instructions for examination. If the patient is diagnosed with the virus, the patient should take timely treatment measures under the guidance of the doctor to avoid aggravating the condition.