There are many diseases that can cause headache when dry cough occurs clinically, such as mycoplasma pneumonia, bacterial pneumonia, cough variant asthma, gastroesophageal reflux, etc. So when patients have the above clinical symptoms, they should actively seek medical advice, improve relevant examinations, make clear the diagnosis, and take corresponding treatment according to the diagnosis. If the patient has a dry cough due to mycoplasma infection, macrolide antibiotics or quinolone antibiotics can be used, such as azithromycin, erythromycin, levofloxacin, moxifloxacin, etc. If the patient has dry cough due to cough variant asthma, he can take montelukast sodium orally, inhale budesonide formoterol, and avoid contact with allergic substances, such as animal fur or pollen.