Generally there is no fastest cure for respiratory infections. Respiratory infections are generally categorized into upper respiratory tract infections (e.g. influenza) and lower respiratory tract infections (e.g. pneumonia), and patients can be relieved of their condition through general treatment and medication. 1. Upper respiratory tract infections: For patients with fever or serious conditions caused by upper respiratory tract infections, they should rest in bed, drink plenty of water, keep indoor air circulating, and prevent from getting cold. Patients with influenza can take antiviral drugs such as oseltamivir under the guidance of a doctor for treatment. For bacterial infections, patients can take amoxicillin, levofloxacin, moxifloxacin and other antibiotic drugs for treatment. 2. Lower respiratory tract infection: patients with lower respiratory tract infection should pay attention to bed rest, drink a lot of water, keep indoor air circulation, prevent cold. Patients can take antipyretic and analgesic drugs, such as acetaminophen, aspirin, ibuprofen, etc.; anti-infective drugs, such as acyclovir, clarithromycin, amoxicillin, etc.; and phlegm drugs, such as bromohexidine, etc., under the guidance of the doctor for treatment. It is recommended that patients strictly follow the doctor’s instructions for the correct use of medication, do not change the dose of drugs or stop taking medication, and actively cooperate with the doctor’s treatment, in the life of light, nutritious diet, avoid eating cold, spicy, stimulating food, in addition, patients should also pay attention to the monitoring of the condition, once the condition worsens, it should be timely to consult a doctor for treatment.