There is no so-called “most correct” way to wash the nose, the main use of nasal cleanser to rinse the nasal cavity, the specific steps are as follows. 1. Lean forward about 40 °, generally take a standing position or sitting position, the nasal cleaner olive head into the appropriate part of the nasal cavity. 2. Squeeze the balloon, send warm saline into the nasal cavity, gently squeeze the balloon, pay attention to the strength, to avoid excessive pressure, resulting in too much saline, easy to choke. 3. At the same time, open the mouth, so that the saline after rinsing through the nasal tract, can carry secretions through the other side of the nasal discharge. 4. Rotate between the two sides. After washing one side of the nasal cavity, change the other side, the same method. Cleaning the nasal cavity can be secretions, pathogenic bacteria and allergens, such as cleaning out the nasal tract, relieve the symptoms of rhinitis, sinusitis, improve nasal ventilation.