Dry cough without sputum, lying down without coughing and standing up cough need to be treated with anti-infective and acid-suppressing treatments according to pneumonia and gastroesophageal reflux respectively. Dry cough without sputum, lying down without coughing and standing up cough, the first consideration is caused by lung infection. As bacteria or viruses cause damage to the mucous membrane of the trachea and bronchial tubes, standing up and breathing more frequently will stimulate the mucous membrane of the trachea and bronchial tubes even more, which can lead to coughing symptoms. Usually use penicillin and other antibiotics for treatment, timely control of infection. In addition, it may also be caused by gastroesophageal reflux, which can lead to coughing and fever due to the irritation of the throat area by gastric juices. Acid-suppressing treatment such as omeprazole is usually applied to control the symptoms from the root. There are many other causes of cough such as eosinophilic bronchitis, nasal secretion reflux stimulation of cough, but also pay attention to exclude chronic bronchitis, bronchial dilatation position change sputum flow will stimulate the mucous membrane caused by cough. It is recommended that patients consult a regular hospital in a timely manner, with the doctor to improve the examination, standardized treatment.