There are many causes of dizziness and headache, as follows: 1. First of all, it is considered to be caused by insufficient blood supply to the brain, which is characterized by repeated dizziness, headache accompanied by panic, chest tightness and other discomforts, and is related to the patient’s poor lifestyle, nervous and anxious emotions plus having underlying diseases; 2. 3, ophthalmologic diseases such as glaucoma, patients may also experience dizziness and headache, and they may experience swelling and pain in the eyes, which requires ophthalmologists to determine the intraocular pressure in order to understand the context of the disease; 4, sinusitis patients, especially frontal sinus and septal sinus inflammation, patients may also experience dizziness and headache, which requires a visit to the Department of Five If the diagnosis can be confirmed, treatment will be carried out. In short, there are many causes of headache and dizziness, so it is important to understand the causes and then diagnose and treat them after the diagnosis is clear.