Patients with New Coronary Pneumonia should wear medical surgical masks when riding in private cars, try to keep a distance from people in the same car, do not turn on the air conditioning internal circulation, and open windows moderately for ventilation. After the patient gets out of the car, quickly open the windows for ventilation and do the final disinfection of the private car. The scope of disinfection includes object surfaces (seats, steering wheel, windows, handlebars, etc.), air conditioning system, vomit, etc. It is recommended to choose peroxyacetic acid, chlorine dioxide, etc. Start the car and turn on the air conditioning internal circulation during the disinfection treatment. It is not recommended to use the vehicle without disinfection treatment. Other co-passengers are close contacts and should be under medical observation for 14 days, depending on the situation.