You can eat before taking the new crown nucleic acid test, and it usually does not affect the test results, but you need to pay attention to other related matters during the test. Usually before the new crown nucleic acid test can eat normally, generally will not affect the test results, and currently there is no clear provisions for the new crown nucleic acid test can not eat. However, patients should avoid smoking, drinking, chewing gum, etc. for 30 minutes before sampling, and should bring their valid personal identification before going to the nucleic acid test site. In addition, if you have received the new coronavirus vaccine on the same day, you need to take the nucleic acid test 48 hours later to avoid affecting the test result. It is recommended to understand the relevant matters before taking the New Coronavirus Nucleic Acid Test and conduct the test in a reasonable manner under the guidance of the staff.