Two nose congestion and severe inability to breathe can be caused by dry weather, colds and nasal structure abnormalities, rhinitis-sinusitis, etc. It can be relieved by changing the humidity level in the room, using medication and surgical treatments. 1. Dry weather: Dry weather makes the indoor humidity too low, and the symptoms of two noses and nasal congestion may appear, you can choose to change the indoor humidity or open the windows more often for ventilation and other ways to relieve. 2. Cold: cold caused by cold will lead to inflammation or edema of the nasal mucosa, the patient will have two noses nasal congestion symptoms of severe inability to breathe, you can choose vasoconstrictors to improve, such as hydroxymetazoline hydrochloride nasal drops, can often be effective in relieving the symptoms of nasal congestion. 3. Nasal structure abnormality: when the patient suffers from deviated nasal septum, there will be two noses with nasal congestion and severe inability to breathe, you can choose to correct the surgery to achieve the purpose of curing. 4. Rhinitis-sinusitis: Rhinitis-sinusitis is inflammation and infection of the nose and sinuses. Symptoms such as nasal congestion and runny nose can occur, and in severe cases, breathing can be affected. Simple bacterial infection caused by rhinitis and sinusitis can be used anti-infective drugs and local medication, etc., the ineffective can consider surgical treatment; such as accompanied by allergic factors of rhinitis and sinusitis, the need for anti-metamorphic drug treatment. Appearance of two nose nasal congestion serious symptoms can not breathe, there may be nasal sinus tumors and other causes, it is recommended that patients go to the hospital in a timely manner for examination and diagnosis, and under the guidance of the doctor to standardize the use of medication and treatment.