Ozone can theoretically kill coronaviruses. Ozone is an excellent disinfectant that can kill bacteria, viruses, and fungi. Ozone is the safest and most effective for human body and is very widely used. Medically, ozone can be used to treat many diseases, such as vaginitis, pelvic inflammatory disease, adnexitis and other recurrent and long-lasting diseases. In addition, ozone can also be used for disinfection of drinking water in daily life and in some air purifiers to filter and disinfect the air, reducing the damage caused by the use of chemical disinfectants to the air and to the human body.