Nasal pain, headache and watery eyes can be seen in common cold, influenza, allergic rhinitis and other diseases. 1. Nasal pain, headache and tearfulness can be triggered by viral infection during common cold. During the onset of the disease, patients may also be accompanied by sneezing, nasal congestion, runny nose and other cold symptoms. 2. Influenza: Influenza is caused by influenza virus infection, which can cause symptoms such as the title. 3. Allergic rhinitis: after contacting allergens, allergic patients will have allergic reactions, such as nasal itching, nasal congestion, sneezing and runny nose, etc. After blowing the nose repeatedly, nasal pain, headache, tearing and other discomforts will occur. Nasal pain, headache and tearing should be diagnosed by systematic examination.