If it is not a foreign body falling into the trachea just irritating the airway and coughing all the time, you can take your own tracheal and bronchial antispasmodics at home, such as taking dextromethorphan hydrochloride oral solution, etc., and observe the patient’s condition. If the patient’s airway spasm is relieved and there is no obvious coughing symptoms, he or she can drink some water to hydrate and at the same time, it can help to moisturize and lubricate the airway. However, if the cough has not been relieved, consider whether there is a foreign body in the airway leading to choking, need to go to the hospital to take X-ray film, when it is determined that the substance is indeed choking in the middle of the airway, application of fiberoptic bronchoscopy or electronic bronchoscopy to take out the foreign body, in the local spray to relieve bronchial spasm drugs or anti-inflammatory drugs, can relieve local edema or inflammatory reaction.