Precautions for protection during an epidemic include wearing masks, washing hands frequently, ventilating often and gathering less. 1. Wear a mask: Masks can significantly reduce the rate of virus transmission, is the most effective protective measures in daily life. When choosing masks, you should pay attention to the quality and safety, such as medical surgical masks, etc., and pay attention to the daily wear of the diligent replacement. 2. Hand washing: hand washing can clean most of the bacteria carried on the hands, when in contact with external objects in a timely manner after washing hands can help us significantly reduce the chance of exposure to viruses. 3. Ventilate often: during the home should often open the windows to promote indoor air circulation. 4. Gather less: During an epidemic, we should minimize unnecessary gatherings to reduce the chance of virus transmission.