Babies choking on foreign objects in the trachea may have the following symptoms: sudden violent cough, breathlessness, hoarseness, dyspnea and so on. 1. Sudden violent cough: toddlers do not have colds or respiratory diseases, but a sudden burst of coughing. 2. Breath-holding: Normal toddlers don’t hold their breath, but if they choke on a foreign object inside their airways, they will hold their breath, and their face and lips will change color because of the breath-holding. 3. Hoarseness: some children choking into the trachea foreign body is not very serious, and does not immediately appear a series of life-threatening performance, but because there is a foreign body in the trachea, so it will affect the child’s voice, it will suddenly become hoarse, this time must pay attention to. 4. Difficulty in breathing: this is a very obvious and serious manifestation, the child will suddenly appear difficult to breathe, and accompanied by asthma or two tears and other symptoms. If the above symptoms should be suspected that the baby choked on foreign objects, it is recommended to take the Heimlich method of resuscitation in a timely manner, and seek medical attention in a timely manner.