Coronaviruses are round or oval in shape, with an uneven surface resembling a crown, hence the name coronavirus. The new coronavirus is another coronavirus other than the six known coronaviruses so far discovered by humans, so it is called the new coronavirus. This virus is mainly clear human respiratory epithelial malignant pathogenic, the virus is sensitive to ultraviolet light and heat, which can effectively inactivate the virus. Also ether, 75% ethanol, chlorinated disinfectants, and peroxyacetic acid can inactivate the virus, and in vitro virus activity can be reduced in 2 hours.