A heavy nasal sound after a cold is also known clinically as an occlusive nasal sound. The commonly known cold, or upper respiratory tract infection, usually causes the manifestation of acute rhinitis, which is an occlusive nasal sound due to hypertrophy and congestion of the nasal cavity and turbinate mucosa and nasal congestion. There are more drugs that can be taken, commonly used are roxithromycin, cefuroxime, cold and flu granules, etc. Patients can also add nasal decongestant nasal drops on top of cold medicine to improve nasal congestion symptoms, so as to more effectively relieve the nasal sound, commonly used are furosemide nasal drops, naphthazoline nasal drops and so on.