It is okay if the lips are touched during a nucleic acid test, usually referred to as a new coronavirus nucleic acid test. It is okay if the swab touches a place other than the oropharynx during a new coronavirus nucleic acid test. This is because the swabs are collected one by one, disposable, and the swabs are disinfected and sterilized. It will not cause infection. When doing the new coronavirus nucleic acid test, you can open your mouth wide and keep it from shaking freely, and generally the medical staff will not take too long to take the sample. Usually the healthcare provider will not take too long to take the sample and will not touch the lips. It is important to note that if your mouth and throat are uncomfortable after the new coronavirus test, do not spit immediately. And in addition to actively performing the new coronavirus nucleic acid test on a daily basis, you also need to wash your hands frequently to avoid gathering. If symptoms such as fever have appeared before the test, you need to inform the medical staff at the sampling point in time.