New coronavirus symptoms are mild and generally do not cause neck enlargement, but if the symptoms are more serious, it may cause neck enlargement. 1. New coronavirus mild: new coronavirus is an acute infectious disease, patients generally in the early stages of the disease without obvious clinical symptoms, some patients may appear dry cough, fever, and body fatigue and other adverse symptoms, neck enlargement is not its main symptom. 2.. New coronavirus severe disease: If the patient’s symptoms are more serious or the treatment is not timely, it may lead to lymph node immune organs are affected, promote the increase of lymph node blood flow, triggering lymph node inflammatory swelling and then cause neck enlargement. Patients suffering from new crown pneumonia should seek medical attention in a timely manner, timely reporting, first self-isolation, waiting for the doctor to deal with, do a formal examination, and targeted treatment, do not self-diagnosis and treatment, so as not to cause more serious consequences. [Tips] In this article, “new coronary pneumonia, new coronary virus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to “new coronary virus infection”.