The clinical symptom of heavy nasal sound when suffering from a cold may be due to bacterial or viral infections that cause congestion, edema and inflammatory exudates in the nasal mucosa, thus blocking the nasal cavity and leading to nasal congestion. Especially if the patient suffers from chronic rhinitis, sinusitis and other diseases, this symptom may be more obvious when suffering from a cold with an acute attack. After this symptom, in the treatment, if the nasal congestion is very serious, you can take some local furosemide drops to relieve the congestion and edema of the nasal mucosa. In addition, you can also take some cold medicine, it is recommended to take some cold medicine containing some ingredients like pseudoephedrine hydrochloride, and paracetamol, such as quick-acting cold capsule. At the same time, it is also recommended to pay attention to more rest and drink more water to improve their resistance and promote the healing of the cold as soon as possible, so that the symptoms disappear.