Both noses are out of breath, can be considered with colds, nasal septum deviation, rhinitis or sinusitis and other reasons. 1. Colds: when infected with pathogens that cause upper respiratory tract infections, patients may have fever, coughing, sneezing or sore throat and other clinical manifestations, and the nasal cavity may be due to congestion and edema of the nasal mucosa, nasal congestion and increased secretion. 2. Deviated nasal septum: due to the uneven development of the nasal septum bones, the developmental limitation of the nasal septum or nasal trauma can cause deviated nasal septum, such as one side of the deviation of the unilateral nasal congestion, and the opposite side of the inferior turbinate compensatory hypertrophy, there can be bilateral nasal congestion, and in severe cases, there is persistent nasal congestion. 3. Rhinitis: such as allergic rhinitis, allergic rhinitis, chronic hypertrophic rhinitis can appear persistent bilateral nasal congestion. 4. Sinusitis: congestion and swelling of the nasal mucosa, secretions accumulate in the nasal cavity causing two noses to be out of breath. Both sides of the nose are out of breath, it is recommended to go to the hospital in a timely manner, after a clear cause of targeted treatment.