The precursor to a new crown is a scratchy throat and occasional cough. New crown usually refers to the new coronavirus pneumonia, new coronavirus pneumonia is due to the new coronavirus infection caused by inflammation of the lungs, if infected may appear throat itch, pain, cough, cough, chest tightness, chills, fever, etc., and some patients may also have nasal congestion, runny nose, sneezing and other symptoms of upper respiratory tract infections. If the body appears uncomfortable symptoms, should be timely for the new crown nucleic acid test, should not take a chance, to avoid the impact on social life. If the nucleic acid test and the doctor’s examination is not the new coronavirus pneumonia caused by itchy throat and occasional coughing symptoms, then it is considered to be due to colds, laryngitis and other causes, the specific situation should also go to the hospital in a timely manner to confirm the relevant examination. Therefore, when the body appears uncomfortable symptoms, should go to the hospital in a timely manner to carry out relevant examinations to clarify the cause of the disease, under the guidance of a professional physician to carry out targeted treatment, to avoid a serious impact on the body as well as daily life. [Tip] This article refers to the “new coronavirus pneumonia, new coronavirus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to the “new coronavirus infection”.