You can have a nucleic acid test after eating mints, but try not to eat them before the test. Nucleic acid test is usually used is a pharyngeal swab specimen, test samples will be packed in a small reagent bottle, low temperature preservation sent to the laboratory for testing, eating mints will not affect the accuracy of nucleic acid, but in the nucleic acid before the best not to eat mints, may cause discomfort in the pharynx, it is likely to induce the crowd to nausea, vomiting symptoms. Also when doing the nucleic acid test, and should also avoid smoking and drinking. At the same time, when doing nucleic acid testing, should also pay attention to wear a mask, and after the collection of samples should wash their hands in a timely manner, but also discard the discarded masks to the designated trash can. Pay attention to do nucleic acid should keep a good distance, wear a good mask, do a good job of their own protection, to avoid the emergence of cross-infection of the virus.