Children cough without nasal discharge can be seen in respiratory tract infections, cough variant asthma and other conditions, medication needs to be based on the etiology of the disease, such as for bronchitis can be oral aminoglutethimide to ease the cough, as appropriate, anti-infective treatment. 1. Respiratory tract infections: such as acute bronchitis, bronchopneumonia, manifested as cough, may not be accompanied by runny nose, part of the fever can occur, chest X-ray can help diagnosis. For treatment, it is necessary to orally take drugs such as Ambroterol oral solution to relieve cough symptoms, and if the cough is severe, it is necessary to use budesonide nebulizer treatment, bacterial or Mycoplasma pneumoniae infections can be used in accordance with the doctor’s instructions, cefaclor or azithromycin anti-infective treatment. 2. Cough variant asthma: clinical cough, mostly presenting repeated dry cough, can appear at night or early in the morning, pulmonary function tests can suggest increased airway responsiveness, positive diastolic test, the treatment needs to use budesonide, salbutamol nebulizer treatment, oral montelukast to improve symptoms. 3. Tracheal foreign body: there is a history of inhalation of foreign body, there can be severe cough, conventional drug treatment is ineffective, tracheoscopy is needed to remove the foreign body. There are many reasons for children to cough without snot, gastroesophageal reflux can also cause similar symptoms, the above drugs need to be used under the guidance of a physician, it is recommended to consult a doctor after the emergence of symptoms, and treatment under the guidance of a specialist.