Coughing with a cold back may be associated with acute upper respiratory tract infections, cough variant asthma and other diseases, which need to be treated accordingly. 1. Acute upper respiratory tract infection: most pathogens are viruses. The disease can be triggered by rain, cold, sudden change of climate, etc. It can manifest as nasal congestion, runny nose, cough, cough and other symptoms. If the symptoms are mild, supportive treatments such as more rest, drinking more water and keeping warm are usually used. If the cough is severe, dextromethorphan and other drugs can be used to suppress the cough. 2. Cough variant asthma: related to airway hyperresponsiveness, when the patient is subjected to cold wind and other stimuli, it can trigger irritant cough. Inhalation glucocorticoids combined with β2 agonists can be used for treatment, such as budesonide formoterol powder inhaler. Cough can be caused by a variety of reasons and is not necessarily exclusively related to cold exposure. If the symptoms do not improve or worsen, it is recommended to consult a doctor in a timely manner, the specific cause of the disease needs to be clarified after medical examination, and follow the doctor’s instructions for treatment.