There are many clinical reasons that can cause nasal congestion and non-ventilation, including cold or rhinitis. For how to relieve nasal congestion, there are several methods: 1. If the nasal congestion caused by cold is accompanied by dry throat, dry mouth, cough, coughing and other symptoms, you can choose cold medicine for treatment, such as the more commonly used clinically new Contec capsules, fast capsules, compound aminophenalkamine tablets and Chinese medicine, including silver forsythia antidote pill, Sangju cold tablets, antelope cold tablets, blue scutellaria oral liquid, Lianhua Qingfei capsule and soft capsules have a good effect. 2. 2. If the nasal congestion is caused by rhinitis, you need to apply rhinitis relief drugs, such as topical Dafenlin or Cochlear. You can also take oral medications that can relieve rhinitis, such as rhinitis tablets, bilious rhinitis tablets. Physical methods can also be applied, such as the application of ventilation nasal paste, acupuncture or moxibustion have a better effect of relief.