Spring is the season when people easily catch cold. The common cold, referred to as "cold", is the most common acute respiratory infectious disease in spring. Common manifestations of colds: dry throat, itchy throat or burning sensation in the early stage, sneezing, stuffy nose and runny nose at the same time or several hours after onset, accompanied by sore throat, sometimes hearing loss due to pharyngitis, tears, dull taste, poor breathing, hoarseness, cough, fatigue, generally no fever, or only low fever, mild chills, body aches and headaches. When catching a cold, we must pay attention to isolation and rest, protect and enhance the body's resistance, shorten the course of disease and prevent complications. People who are seriously ill or old and infirm should stay in bed, avoid smoking, drink plenty of water, keep the indoor air unobstructed and the appropriate temperature and humidity, and don't take a bath when you have a fever, because hot water bath will consume your physical strength, and you need a quiet rest when you have a cold. You can take a bath in a warm room and change your underwear in time. Fever and headache can be treated with antipyretic and analgesic drugs, such as paracetamol and quick-acting cold capsules. Pharyngalgia can be treated with anti-inflammatory buccal tablets, such as Caoshanhu buccal tablets, watermelon frost buccal tablets or local atomization. Nasal congestion and runny nose can be treated with 1% ephedrine nasal drops or oral Contac capsules. Cough can be treated with cough-relieving and expectorant drugs, generally without antibiotics. When there is bacterial infection, appropriate antibiotics can be used for treatment. Such as penicillin, erythromycin and ofloxacin. Antiviral drugs can be ribavirin, Virulin and amantadine, or traditional Chinese medicine Kanggan Jiedu Granules and Coptidis Rhizoma. Prevention of colds: Exercise regularly to adapt to changes in the external environment and resist the invasion of viruses and bacteria. It is very important to eat a proper nutritious diet, such as protein, fish and vegetables rich in vitamins. And ensure the necessary heat source, which is very important to enhance resistance. The second is to directly prevent colds, which are almost always caused by droplet infection, so the most important thing to prevent is not to contact cold patients. Go to public places less, especially the elderly and babies. Try not to go to these places. People who already have a cold should not go to see other people to avoid cross-infection with people who have a cold. Open the window in the morning to let the air circulate, spray vinegar in the room and drink more green tea at ordinary times, which is of certain significance to prevent colds.