Cold and cough remedies lack scientific basis and are not true. Colds are categorized into common colds and influenza, and appropriate treatments need to be chosen according to the different types. 1. Common cold: caused by viral infection. The main manifestations are sneezing, nasal congestion, coughing, dry and itchy throat, etc. There are no specific antiviral drugs. At present, there is no effective antiviral drug, and symptomatic treatment is the mainstay. There are yellow sputum and runny nose and other suspected bacterial infections, can follow the doctor’s advice to take amoxicillin and other antibiotics. 2. Influenza: It is an acute respiratory infectious disease caused by influenza virus. The onset of the disease is rapid, high fever, headache, fatigue, conjunctivitis and generalized muscle aches and pains and other severe symptoms are obvious, while the respiratory katastrophic symptoms are mild. Antiviral drugs, such as oseltamivir, should be administered within 48 hours of onset. Symptomatic treatment is also carried out, and antipyretics such as ibuprofen, pseudoephedrine to relieve nasal mucosal congestion, and dextromethorphan to relieve cough can be applied as prescribed by the doctor. After the cold should pay attention to rest, drink more water, increase nutrition, give easy-to-digest diet, keep indoor air circulation. It is recommended that people with colds and coughs go to regular hospitals in a timely manner to get a clear diagnosis and standardized treatment under the guidance of a doctor, and not blindly believe in prescriptions, so as not to delay the condition to bring adverse effects on the body.