Cough with headache generally has the following causes: 1. Infectious respiratory diseases with fever, such as upper respiratory tract infection, bronchitis pneumonia, etc. Patients can have cough, fever, sputum production and breathing difficulties. Fever can cause intracranial vasodilation, and coughing can increase the pressure in the chest cavity, leading to an increase in the amount of blood entering the brain, causing a transient dilation of the cerebral blood vessels, which in turn leads to the occurrence of headache. Patients should pay attention to rest and drink more water, and it is recommended to consult the respiratory medicine department. 2. intracranial infection, intracranial infection can lead to increased intracranial pressure, and the same principle of coughing can increase the pressure in the thoracic cavity, which can lead to increased blood flow to the brain and cause headache. 3. intracranial vascular malformation, patients can also be accompanied by convulsions, dizziness and other symptoms, and it is recommended to perform cerebral angiography. 4. intracranial occupying lesions, it is recommended that patients Improve to reveal imaging examination, if necessary, neurosurgery consultation.