The fastest way to treat a cold and flu is incorrectly stated. Cold is a self-limiting disease, usually about 7 days can be self-cured, you can relieve the uncomfortable symptoms of cold through some methods. You can eat more fresh vegetables and fruits to enhance the body’s immunity and speed up cell metabolism; and pay attention to more rest and drink more hot water to improve the body’s immunity. Normally, you should strengthen the nutrition and care, and pay attention to adding clothes in time when changing seasons to avoid getting cold. If cold symptoms are severe, you can take acetaminophen to relieve nasal congestion caused by cold and flu. If the symptoms of cold and flu are serious, you can rest in bed and keep the air circulating, and if the symptoms worsen, we suggest that you consult a doctor in time, and follow the doctor’s instructions to use medication.