Nasal congestion in pregnancy is considered to be caused by upper respiratory tract infections, rhinitis and other diseases, due to individual differences, there is no fast way to make the nose ventilated, but through general treatment (such as more rest, etc.), medication (such as cold and flu particles, etc.) and other ways to improve the symptoms. 1. Upper respiratory tract infection: mostly due to viral infection, pregnant women may have nasal congestion, sneezing, dry throat and other phenomena. Pregnant women should pay attention to bed rest, and drink more water, and can use saline or water to rinse the nasal cavity, in order to relieve nasal congestion, or follow the doctor’s instructions to take four seasons cold tablets, cold and heat granules. 2. Rhinitis: Rhinitis can be triggered by bacterial infection, allergy and other factors, leading to nasal congestion, runny nose, sneezing and other phenomena in pregnant women. Pregnant women should actively look for the cause of the disease, and to avoid, and can follow the doctor’s instructions to use saline rinse nasal cavity, if caused by bacterial infection, you can use ampicillin, penicillin, etc., if caused by allergies, you can use mometasone furoate nasal spray. In addition, sinusitis, nasal polyps can also cause nasal congestion, it is recommended that pregnant women go to the hospital in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid blind use of medication, so as not to affect the development of the fetus.