For common viral colds, most patients heal on their own in about 7-10 days. Influenza, generally most patients can heal on their own in about 3-14 days. Clinically, there are two types of colds, one is the common viral cold and the other is influenza. Most common viral colds are caused by rhinovirus, parainfluenza virus, respiratory syncytial virus, echovirus and other infections. The clinical symptoms of common cold are mild, mainly manifested as nasal congestion, sneezing, runny nose, low fever, cough and headache, etc. The incidence is high, and most patients can recover on their own after the course of the disease lasts about 7-10 days. Influenza is mainly caused by influenza A and B viruses that infect the human body. The clinical symptoms of the disease are more severe, mainly manifesting as high fever, headache, fatigue, generalized muscle aches, loss of appetite and cough, etc. The respiratory symptoms are relatively mild, and some patients can be accompanied by nasal congestion, sneezing, runny nose and other symptoms. Generally most patients can heal on their own in about 3-14 days, but those with severe infection can develop complications such as bronchitis, bronchitis, bacterial pneumonia, toxic shock, toxic myocarditis, etc. The course of the disease can be prolonged and can even be life-threatening. In case of cold and runny nose, patients should drink more warm water, take rest, don’t stay up late, don’t drink alcohol, take vitamin C supplements, and use local nasal drops to relieve the symptoms of cold and runny nose. When the symptoms are heavy, you can take cold medicine as prescribed by the doctor, and as the cold gets better, the symptoms of runny nose will also slowly improve.