Nasal congestion and nasal dryness are often caused by a certain degree of inflammation and infectious diseases in the nasal cavity and sinus area, and patients may also be affected by excessive dryness of the surrounding air environment or pollution, which can easily cause congestion, swelling and dryness of the mucous membrane of the nasal cavity. In addition, patients may also have too much smoking, drinking, and eating spicy, stimulating, easy to cause fire food, or their own water intake, vitamin intake and other factors, may lead to nasal blockage and dryness. Some patients may be affected by their own adverse mental emotional factors, or recent lack of sleep, repeated fatigue and stay up all night and other factors, resulting in endocrine dysfunction, decreased immunity, the body appeared to be on fire, are likely to lead to nasal congestion and nasal dryness symptoms.