Sore throat and runny nose can be seen in upper respiratory tract viral and bacterial infections or bronchitis. 1. Viral infections: Acute upper respiratory tract infections are mostly caused by influenza and parainfluenza viruses, adenovirus, coronavirus, respiratory syncytial virus and so on. The main manifestation is watery nasal discharge, and those who occur in the throat may have the manifestation of sore throat. 2. Bacterial infection: acute upper respiratory tract infection can also be caused by bacteria, such as hemolytic streptococcus, Haemophilus influenzae, Streptococcus pneumoniae and staphylococcus. Bacterial infection is characterized by yellow pus nasal discharge, sore throat, dry throat, cough and sputum. 3. Bronchitis: Early symptoms of this disease can be nasal congestion, runny nose, when coughing, coughing up sputum when the common sore throat, throat foreign body sensation and other discomfort. It is recommended to pay attention to rest, eat a light diet, drink plenty of water, and maintain indoor air circulation when symptoms such as sore throat and runny nose occur. Go to the hospital in time to get a clear diagnosis and cause of the disease after examination by a specialist.