How to determine if something is choking the trachea, if something falls into the trachea, usually when eating or when laughing, some children inhale beans or small melons through the nose, these processes have a trigger. After entering the trachea, the most subjective feeling after the foreign body falls into the trachea is coughing, and coughing very hard, and some patients may cough up blood. If it is not removed, the foreign body will stay in the trachea longer and longer, and its size will get bigger and bigger, gradually blocking the important bronchus, so that the bronchus cannot ventilate normally, and you will feel the symptoms of chest tightness and breath-holding. If something enters the trachea, you will have the feeling of chest tightness, breath-holding and coughing.