Cold and runny nose along with nasal congestion is caused by viral infection or attack by other pathogenic microorganisms in the body, which can be applied as follows. 1. Local ephedrine nasal drops can be applied to relieve nasal congestion, which can quickly make the blood-filled capillaries contract and relieve the symptoms. 2. 3, you can also go to the hospital to apply nasal rinse, nasal ultrashort wave and microwave physiotherapy, you can also take anti-cold medicine to perform allopathic treatment, you can take oseltamivir and Chinese medicine Banlangen, Shuanghuanglian and other drugs can be treated cold runny nose, nasal congestion.