Cold nose is not ventilated mainly because of viral infection leading to edema of the respiratory mucosa, edema blockage of the nasal cavity caused by reduced nasal ventilation, the patient subjective feeling of breathless nose, can be relieved by the following methods to relieve the symptoms of nose not ventilated: 1, fumigation method: chopped white onion and boiled with water, can fan the palm of the hand with the nose breathing steam, which can effectively relieve the symptoms of nose not ventilated; 2. Massage method: external nasal massage, with the left or right hand thumb and forefinger clamps on both sides of the nose and pull down hard, from top to bottom even pull several times, pay attention to the strength of moderate, not too hard, can promote blood circulation in the human nasal mucosa; can also massage the point of Yingxiang, with both hands of the middle finger or forefinger point pressed in the nasolabial groove next to the nose at the point of Yingxiang several times, can relieve the symptoms of nasal congestion; 3, peppermint oil: can The smell of peppermint oil directly with the nose, the smell of peppermint can help the nose ventilation, but also has a clearing effect; 4, orange peel: you can squeeze out the juice of the orange peel, nose to smell, can also relieve the symptoms of nasal congestion; 5, medication: if the symptoms of nasal congestion is more serious, you can take some drugs for treatment, such as hydroxymetazoline, serozoline, etc..