The tapping sound of foreign body impact can be heard at the trachea is the tapping sound of foreign body impact on the tracheal wall and subglottic area at the end of expiration, which is one of the symptoms of foreign body in the trachea, and the foreign body is just inhaled, mainly choking and coughing. Later, the active foreign body moves with the airflow and can cause paroxysmal cough and dyspnea. The larynx has a rich distribution of nerves, and when stimulated by choking and other inadvertent foreign bodies, it produces a defensive firing cough, forcing the foreign body out, which plays a role in protecting the lower respiratory tract. Choking or throat tickling in children is more dangerous than in adults. Patients with foreign body impact can be heard at the trachea beat sound of a light and nutritious diet, pay attention to dietary balance. The following foods are suitable foods: 1, watermelon: high vitamin content, conducive to promoting tissue repair. 2, tomatoes: vitamin C and vitamin B cold are rich, can induce the absorption of trace elements. 3, glutinous rice porridge: high vitamin content, high caloric content, rich in carbohydrates, conducive to energy supply. At the trachea can be heard at the foreign body impact of the beat patients should avoid food: 1, chili pepper: chili pepper vitamin content is high, but irritating, not conducive to in vitro foreign body recovery period of consumption. 2, white wine: irritating, can cause injury local congestion, and even edema. At the trachea can be heard the sound of foreign body impact pat patients diet should pay attention to: Do not use large pieces of food strong swallow, first of all, parents should educate children, do not put small toys, etc. into the mouth. Secondly, children should avoid talking, laughing and crying while eating; and change the bad habit of eating while walking or playing. It is better not to give children under 5 years old to eat melon seeds, peanuts, beans and other foods, and do not stuff them hard into the mouth when they are crying to avoid the danger of inhaling into the trachea.