The normal respiratory rate of 1 year old baby is 25-30 times/minute, shortness of breath may be caused by a variety of reasons, including allergy, tracheal obstruction, asthma, respiratory system infection, laryngeal cartilage dysplasia, heart disease, according to the cause of targeted treatment. 1, allergy: such as allergy to eggs, milk and other foods with high protein content, manifested as shortness of breath, nausea and vomiting, diarrhea, red rash, etc., serious cases Even shock will appear, need to immediately stop eating allergic food, vomiting, rehydration, etc., serious cases need to give hormone therapy; 2, tracheal obstruction: accidental ingestion of small toys or larger pieces of food, the child will appear hypoxia, shortness of breath, cyanosis and other symptoms, need to promptly lift the airway obstruction, Heimlich method can make the child quickly spit out the obstruction to restore the airway, serious cases need to tracheotomy; 3, asthma: related to The symptoms can be triggered by pollen, dust, exercise, emotional excitement, etc. The attack is often preceded by sneezing, runny nose and other symptoms of upper respiratory tract infection, accompanied by wheezing, coughing, shortness of breath, etc. The attack is aggravated at night and early morning. Nebulized inhalation medication can be used to quickly relieve symptoms. Attention should also be paid to maintaining a good living environment and habits and avoiding contact with allergens; 4. Respiratory infections: such as lobar pneumonia, often caused by bacterial infections, accompanied by fever, cough lasting more than 5 days, as well as shortness of breath and dyspnea, etc. Amoxicillin is usually chosen for treatment, and gammaglobulin can be chosen for severe pneumonia. Children need to be kept away from polluted environment and toxic gases, such as second-hand smoke; 5. Laryngeal cartilage dysplasia: it can be a congenital malformation or calcium deficiency, manifested as intermittent, low-pitched inspiratory laryngeal wheezing, aggravated by crying, eating and supine position, severe cases with dyspnea and shortness of breath, etc. Mild children can heal spontaneously with calcium supplements and vitamin D. In severe cases, laryngoscopic supraglottic laryngoplasty is performed to support laryngoscopy; 6. Heart disease, the child can be born with continuous shortness of breath until now, can be accompanied by lip cyanosis, developmental delay, etc., can be confirmed by electrocardiogram, cardiac ultrasound examination, clear pathological type of targeted treatment, most of them need surgery to correct. Environmental factors often induce respiratory diseases in infants and children, such as asthma and pneumonia, which can lead to serious adverse consequences. The growing environment of infants and young children should be kept clean and ventilated to avoid toxic gas and bacterial contamination, try not to go to crowded public places to reduce cross-infection, and observe the infant’s reaction after changing the place of residence, and seek medical treatment in a timely manner if any maladjustment occurs.