A lot of nasal discharge every day is usually the result of the following major types of diseases: 1. Allergic rhinitis, when the patient has allergic rhinitis, there will be a clear water-like runny nose every day, and the amount is large. At the same time, accompanied by sneezing, nose itching, etc., usually because the nasal mucosa is in contact with allergic microorganisms, but also seasonal attacks, especially severe cases will be accompanied by allergic asthma. 2, in the case of a cold, if the patient in the presence of wind-heat cold, will be a lot of nasal discharge every day, but the wind-heat cold nasal discharge is usually yellow, and sticky. In addition, patients with chronic sinusitis also have a lot of runny nose every day, but these patients usually have a viscous-purulent discharge from sinusitis, accompanied by nasal congestion, dizziness, headache, memory loss, etc.