New pneumonia infections are classified as mild and heavy, often manifesting as fever, cough, malaise, dyspnea, etc. Most mild patients can heal on their own and should pay attention to self-protection and isolation at home. If you want to diagnose whether it is a coronavirus infection, you need to take a chest CT and nucleic acid test to be clear. At present, according to the epidemic situation, try not to go out, if you must go out, pay attention to wear a mask, pay attention to protection.