Children who go to bed coughing, often due to gastroesophageal reflux, whooping cough infection, Mycoplasma pneumoniae infection, can be taken to elevate the upper body to relieve or apply antibiotic treatment. 1. Gastroesophageal Reflux Disease (GERD): If a child lies down to rest immediately after eating a meal, it may lead to gastric contents or acid reflux stimulation of the throat, which causes coughing. Can be a period of time after the meal appropriate activities, or the upper body elevated, take the head high feet low position, can be some degree of relief cough. 2. Pertussis: children with low resistance, if infected with Bordetella pertussis, it will lead to spasmodic coughing of the trachea. Antibiotics such as azithromycin should be used as early as possible. 3. Mycoplasma pneumoniae infection: causes paroxysmal, irritating dry cough. Treatment should be selected azithromycin anti-mycoplasma therapy. If necessary, the mycoplasma resistance gene can be perfected, such as drug resistance, the use of drugs can be adjusted under the guidance of the doctor. Children to sleep coughing in time to seek medical attention, improve nasopharyngoscopy, blood tests, etc., a clear diagnosis, standardized treatment under the guidance of the doctor, so as not to delay the condition.