The baby only cough without other symptoms, consider acute bronchitis, allergic cough, foreign body inhalation, etc., should be for the cause of the symptomatic treatment. 1. Acute bronchitis: acute bronchitis, most of which are viral infections, can cause inflammation of the bronchial mucosa and cough, if there is sputum, you can use aminobromine hydrochloride, bromhexine and so on. 2. Allergic cough: when exposed to allergens, paroxysmal and irritating dry cough can occur, you can use inhalation budesonide, etc., if necessary, you can use antihistamines, such as loratadine (less than 2 years of age should be used with caution). 3. Foreign body inhalation: foreign body inhalation stays in the bronchial tube general symptoms are not obvious, some patients will appear less irritating mild cough, should promptly consult a doctor to remove the foreign body. The baby only cough without other symptoms, to pay attention to, you can go to the hospital, if you need to use drugs, should strictly follow the doctor’s instructions.