Nasal congestion with hoarseness can be seen in common cold, influenza, etc. The diagnosis should be made based on medical history, physical examination and tests. The common cold is an acute inflammatory disease caused by viral infection of the nasal cavity, pharynx or larynx. When the pathogen infects the mucosa of the respiratory tract and triggers an inflammatory response, the inflammatory mediators cause the afferent nerves of the upper respiratory tract to be in a hypersensitive state, resulting in symptoms such as runny nose and nasal congestion. Exertion, cold, etc. can be induced, the examination of the throat can be seen red, swollen, congestion. Complete examination, blood routine can see normal or low white blood cell count. Influenza is caused by influenza virus, which can manifest as nasal congestion and hoarseness, but the symptoms are usually mild. Systemic symptoms are usually more severe and may manifest as high fever, headache, and generalized aches and pains. The total number of blood leukocytes is not high or low, lymphocytes may increase, and influenza virus may be isolated from nasopharyngeal secretions. The presence of nasal congestion, hoarseness, can be diagnosed by history, physical examination, laboratory tests and other aspects of the disease, to determine the type of flu, it is recommended to seek timely medical treatment, standardized treatment.