Coffee is not to relieve headaches. The main component of coffee is caffeine, which has a stimulating effect on the cerebral cortex. Drinking coffee can refresh and improve the efficiency of work and study, but it is not recommended to drink too strong coffee to avoid stimulation of the gastric mucosa, nor is it recommended to drink coffee before bed to avoid affecting the quality of sleep. The common causes of headache are migraine, tension headache, cervical spondylosis, hypertension, sinusitis, upper respiratory tract infection, etc. 1, migraine headache is vascular pulsation-like pain, mostly located in one or both orbits, temples and temporal top; 2, tension headache is often described as a feeling of banding in the head; 3, cervical spondylosis headache is mostly located in the back of the occipital region, often accompanied by pain in the back of the neck; 4, cervical spondylosis headache is often associated with pain in the back of the neck. Patients with hypertension often have a history of hypertension, and their blood pressure is often higher than 140/90 mmHg; 5. Patients with sinusitis often have symptoms such as nasal congestion and runny nose, and headaches are mostly located in the forehead; 6. In addition to headaches, patients with upper respiratory tract infections may also have symptoms such as fever, sore throat, cough and sputum.