Children 6 years old cough a little wheezing, may be cornual tuberculosis, airway foreign body, bronchial asthma and other diseases. 1. Tuberculosis: cough, sometimes with episodes of wheezing, accompanied by low afternoon fever, night sweats, fatigue and other symptoms, according to the history of tuberculosis exposure, tuberculin test and chest X-ray changes to be diagnosed. 2. Airway foreign body: because of foreign body stimulation of respiratory mucosa will also make the child cough, wheezing and other symptoms, should be asked in detail whether there is a history of inhalation of foreign body or foreign body contact history, as well as sudden high choking cough, shortness of breath, hoarseness and other symptoms. This is especially suspicious if the symptoms occur suddenly while the child is eating or playing. The diagnosis can be confirmed by chest radiograph or CT. 3. Bronchial asthma: It is the most common chronic respiratory disease in childhood. Coughing and wheezing episodes are paroxysmal and are more severe at night and in the early morning. Attacks may be accompanied by runny nose, sneezing and chest tightness, with dyspnea and prolonged expiratory phase with wheezing sounds. The diagnosis can be confirmed by pulmonary ventilation function tests. There are many other diseases that cause coughing and wheezing in children, and it is recommended to consult a specialist for evaluation, improve relevant examinations, and give targeted treatment or therapy after clarifying the cause of the disease.