There are several cases of choking cough at night: First, in the discharge of phlegm, because when lying down at night, the phlegm in the lungs is more likely to flow outward, at this time if the sudden re-emergence of phlegm will trigger choking cough, especially when the lungs are infected or have tracheal infection, more likely to appear in this situation. Second, due to Yin deficiency internal heat, this Yin deficiency internal heat often appears after the inflammation has improved, the phlegm is cleared, but because the treatment has not been fully sufficient to clear the residual heat. Although the phlegm is gone, the residual heat is still present, and interruption of treatment at this time can lead to a cough with Yin deficiency and internal heat. It is necessary to nourish Yin and clear the lungs to remove the basis of this pathology in order to reduce the occurrence of cough. Third, when the air in the house is dry due to a dry throat, this time also tends to cause choking and coughing at night, you can humidify the room appropriately to alleviate this condition.