Aggregate neo-crown nucleic acid testing should be careful to take protective measures. Aggregate nucleic acid test also has the possibility of being infected with the new crown virus, waiting for the test process must wear a mask, the distance between people should be maintained at a distance of more than one meter, after the test is over to leave the place where the test is conducted in a timely manner, if there are no special circumstances do not need to stay for a long time in the test of the nucleic acid place for a long time, go home to wash their hands, change their clothes, to avoid unintentionally being infected by the virus. The new coronavirus can be transmitted through the respiratory tract and air droplets. The virus is highly contagious and protective measures should be taken, as well as the Neocollins vaccine to prevent the disease. After the nucleic acid test for Aggregate Neocollins, if the body develops fever, sore throat, cough and other symptoms, it is necessary to review the test in time, and need to do the nucleic acid test again, and the patient should not use their own medication to avoid masking the symptoms.