New crown-positive patients need to be medically isolated at home. Symptomatic patients are treated with symptomatic therapy, while asymptomatic patients do not need medication. Medical isolation and observation: new crown positive patients should first pay attention to home isolation and observation, it is best for those who have the conditions to live alone in a room, do not contact with other family members. Pay attention to measure body temperature, open windows every day to ensure fresh indoor air. The floor can be disinfected with chlorine-containing disinfectant, and wash your hands frequently. Symptomatic people can be treated with medicines, such as ibuprofen or acetaminophen for relieving fever and analgesia, aminoglutethimide or cough syrup for relieving cough and phlegm, seroquel for relieving nasal congestion, and proprietary Chinese medicines (Lianhua Qingdian and Shufeng Xieyue Capsules) for clearing away heat and detoxifying the toxin.