Preventive measures for novel coronavirus pneumonia include the following: a. Try to isolate at home and go out less, avoid crowded places and confined spaces, and keep a certain distance from people. If you have to go out, wear a medical surgical mask or a disposable medical mask of the normal type. Second, pay attention to hand hygiene, wash hands regularly, preferably using the seven-step hand washing method, using soap or hand sanitizer containing alcohol to wash hands in running water. Third, in the home and workplace to pay attention to hygiene and cleanliness, diligent opening windows, more ventilation. Four, usually you can use chlorine disinfectant or alcohol wipe disinfection at home, but both must be avoided at the same time. Open windows and ventilate when disinfecting with alcohol to avoid the risk of fire. Fifth, we must avoid contact with cold patients, pay attention to rest, avoid staying up late and straining, eat reasonably and exercise properly.