Acute upper respiratory tract infection precautions are: 1, during the epidemic of respiratory tract infections, try to avoid going to public places where the crowd is particularly dense. In addition, patients should avoid outdoor activities in humid, windy and cold climates, and also pay attention to timely increase and decrease clothing according to climate changes to avoid aggravation of cold and flu; 2. More than 90% of acute upper respiratory tract infections are caused by viral infections, and when applying antiviral drugs such as oseltamivir treatment, attention should be paid to adverse drug reactions. If patients experience gastrointestinal symptoms such as nausea and vomiting during medication, along with abdominal pain, headache, dizziness, insomnia, cough and other related manifestations, be alert to the side effects of the drug; 3, pay attention to drink more water, the daily water intake requirements of not less than 1500ml, more lean meat, eggs, milk, fish, vegetables, fruits and other foods.