The use of raw onion fumigation to relieve nasal congestion is a traditional home remedy, the principle of which is to use the volatile substances in onions to help open the nasal passages. The following are the specific steps： ### Material preparation： - 1 medium-sized raw onion -A sharp knife -A bowl or small plate -A clean towel ### Operation steps： 1. **Prepare the onion**: Peel the onion off the skin and cut it in half or four equal parts with a knife to increase its surface area and make it easier to release volatile substances. 2. **Place the onion**: Put the chopped onion in a bowl or small plate. 3. **Fumigation process**： - Place the bowl with onions on a stable surface, such as a table or bedside table. -Sit next to the bowl and make sure your nose is about 10-15 cm away from the onion. - Gently cover the head and bowl with a towel to form a tent-like shape to prevent the rapid loss of steam. 4. **Breathing**: Close your eyes, take a slow and deep breath through your nose, and inhale the steam released by the onion. This process lasts for about 5-10 minutes. 5. **Rest**: After the fumigation is over, take off the towel and sit quietly for a few minutes to let the nasal cavity gradually adapt. ### Precautions： -**Eye irritation**: The smell of onion may irritate the eyes and cause tears. If you feel unwell, you can stay away from the onion slightly or shorten the fumigation time. -**Sensitive skin**: Onion juice may irritate the skin, avoid direct contact with eyes and other sensitive areas of the face. -**Allergic reactions**: If you are allergic to onions, please do not use this method. -**Children and pregnant women**: Before using this method, it is recommended to consult a doctor, especially for children and pregnant women. ### Other suggestions： -If the nasal congestion is severe or lasts for a long time, it is recommended to consult a doctor to rule out other potential health problems. -Combining with other methods to relieve nasal congestion, such as using saline nasal sprays and keeping indoor air moist, may be more effective. Hope these steps can help you relieve nasal congestion, and I wish you a speedy recovery to your health!