It is currently believed that Panax quinquefolium does not prevent novel coronavirus infections. Panax quinquefolium is a kind of Chinese herbal medicine that has an ameliorating effect on certain symptoms, such as sore throat caused by viral infections. There is no research to confirm that taking Panax quinquefolium has the effect of preventing the body from being infected with the new coronavirus. It is currently believed that Panax quinquefolium has some therapeutic effect on certain diseases, but taking Panax quinquefolium in people who do not have the disease does not prevent the virus from attacking the body. At present, the most effective way to prevent the infection of New Crown virus is to get vaccinated against New Crown virus, wash hands frequently and keep a social distance, so as to encourage the body to produce antibodies against New Crown virus, which can prevent the infection. When the body is not sick, it is recommended not to take drugs for prevention without authorization, some drugs taken when the body is healthy not only can not achieve the effect of preventing disease, but also may cause damage to other organs of the body.