Dolls cough old bad may be chronic pharyngitis, allergic cough and other causes, can be relieved by general treatment, medication and other methods. 1. Chronic pharyngitis: dolls cough old bad may be respiratory tract infection caused by chronic pharyngitis, often accompanied by nasal congestion, runny nose and other symptoms. It can be relieved by adjusting lifestyle such as eating a light and digestible diet, drinking more water, abstaining from spicy food, eating more vegetables and fruits. If accompanied by sore throat is obvious, can be contained watermelon cream throat tablets and other treatments. 2. Allergic cough: Allergic cough may be caused by the patient’s sensitivity to cold air, pollen, dust and other irritants, resulting in airway hyperreactivity. It can be relieved by avoiding contact with known allergens, and at the same time, anti-allergic drugs such as loratadine and cetirizine can be taken as prescribed by the doctor. There may also be other causes for the doll’s old cough, such as pneumonia, bronchial asthma, etc. It is recommended to consult a doctor in time to clarify the cause, and take the appropriate medication and treatment plan under the guidance of a professional doctor.