There are no studies demonstrating the transmission of novel coronaviruses from sewers. Clinically, novel coronaviruses are mainly transmitted through respiratory droplets, aerosols, close contact, and also through the fecal-oral route, but generally not through sewers. It has been found that there is also a problem with the presence of novel coronaviruses in stool or urine, but because sewer contaminants evaporate, there is no risk of transmission through sewers and there is no need to worry too much about it. Prevention of the new coronavirus is very important, it is recommended to pay attention to wash your hands regularly, using running water for about 15 seconds, wear a mask when going out, pay attention to open the windows every day to ventilate the room, avoid contact with public objects and avoid gathering of people. For the new coronavirus prevention and control of related knowledge, it is recommended that you can consult the Center for Disease Control and Prevention, usually pay attention to the protection, wear a mask, less gathering, do not be negligent, so as not to affect their own health and the health of others.