There is not sufficient evidence that Panax notoginseng can prevent novel coronavirus infection. There is no effect of taking Banlangen to prevent novel coronavirus pneumonia. Panax notoginseng is a Chinese herb that has the effect of clearing heat and detoxifying toxins and is commonly used to treat feverish illnesses such as wind-heat colds and viral colds. Taking Banlangen when you have a fever or fever can improve the symptoms and have some antiviral effect. However, there is not sufficient evidence to prove that Panax notoginseng is effective in preventing novel coronavirus pneumonia. To prevent novel coronavirus infection, it is important to take personal precautions, such as wearing a mask, washing hands regularly, ventilating, and going to fewer places where people gather.