When there is a cough, if the sputum coughed up is white in color and the amount is more, most of them are caused by the initial stage of bronchitis, need to be treated with medicines to stop cough and resolve phlegm, also need to pay attention to rest and diet, this time is also prone to fever, chills, headache symptoms. If the symptoms are more serious, you need to go to the hospital for examination, mainly to do routine blood tests, but also need to take a chest X-ray, under the guidance of the doctor to use drugs to active treatment. If the inhalation of irritating gases, it is also easy to stimulate the trachea to cause the mucous membrane in the trachea to increase the secretion, also prone to this phenomenon, you should try to avoid contact with irritating gases. If there are often allergies, you need to take appropriate oral anti-allergy drugs. In normal times need to pay attention to exercise to enhance physical fitness, can avoid this phenomenon.