The most common type of nasal discharge into the throat is postnasal drip syndrome, which is a clinical symptom that occurs when nasal or nasopharyngeal secretions back up into the throat cavity. The most common is rhinitis, which can be divided into chronic rhinitis, acute rhinitis, allergic rhinitis and so on. If it is accompanied by sinusitis, nasal polyps, adenoid inflammation, it will lead to inflammation into the throat cavity. At the same time in the diet must pay attention to do not eat spicy, stimulating food, especially avoid alcohol and tobacco. Because after eating these things will lead to the symptoms of nasal congestion more obvious, its secretion can not flow to the front of the nasal cavity, will inevitably flow to the back of the nose, resulting in more obvious symptoms.