There are no nerves in the trachea that feel hot or cold, so clinically there is no such thing as a cold trachea. It may be that the throat feels cold, and the common causes of a cold throat include allergies, environmental factors, colds, and laryngitis. 1. Allergy: Some minor airway inflammation, the trachea is in a sensitive state, may feel cool in the throat. 2. Environmental factors: When the outside temperature is low and there is a big difference with the temperature of the human body, you will feel the air you breathe is cold and feel cool. 3. Colds, pharyngitis: the virus violates the mucous membrane of the nasal cavity, the mucous membrane of the pharynx, resulting in increased sensitivity of the patient, cold air stimulation, you can feel the coolness of the throat. Caused by the throat feel cool there may be other reasons, it is recommended to go to the hospital in a timely manner, clear reasons, under the guidance of the doctor for treatment.