After an upper respiratory tract infection, symptoms such as fever, fatigue, loss of appetite, nasal congestion, runny nose, cough, and sore throat often occur. After an upper respiratory tract infection, there are certain dietary requirements. Generally speaking, it is recommended to eat light foods and avoid greasy and spicy foods. Additionally, drink plenty of water, get enough rest, avoid exposure to cold, and ensure the room is well-ventilated to aid in recovery. Some medications can also be used to treat the symptoms and alleviate those of the upper respiratory tract infection.