For severe cold with strong nasal congestion, you can take oral medication, nasal rinse and acupuncture treatment. 1. Oral medicines: medicines can be taken to reduce congestion of nasal mucosa, such as hydroxymetazoline hydrochloride nasal drops, and mometasone furoate nasal spray, which can be anti-inflammatory and anti-allergic. You can also apply antihistamines, such as loratadine, to reduce nasal mucosal edema. 2. Nasal irrigation: if the drug is not very effective, you can choose saline nasal irrigation, can effectively relieve nasal congestion. 3. Acupuncture treatment: Acupuncture also has a good effect on nasal congestion, you can choose some nasal points, such as Yingxiang points, nasal points, Yintang points, etc., with Xuan Tong nasal orifices of the acupuncture points. In normal life, we should also strengthen the exercise, enhance the physical fitness, improve the immunity, if there is a severe cold and nasal congestion, do not blindly take medicine, it is recommended to go to the regular hospital to find a professional doctor for treatment.