Patients have headaches after playing basketball, the possible causes are hypertension, migraine, intracranial vascular disease, etc., as follows: First, hypertension: playing basketball is a kind of strenuous exercise, early hypertensive patients after strenuous exercise, causing a transient increase in blood pressure as well as headache. It is recommended to take a blood pressure test at this time, if the blood pressure is indeed high, to use antihypertensive drugs to avoid strenuous exercise later. Second, migraine: pay attention to whether the patient has migraine attacks, migraine is an episodic disease, if you have migraine in the past, may be triggered when playing basketball. If this is the case, you can take pain medication such as ibuprofen or Cilpro. Third, intracranial vascular disease: Pay attention to whether there is intracranial vascular disease, such as arteriovenous malformation, aneurysm, cerebral hemorrhage, which may occur. In this case, you can do cranial CT or CTA to make a clear diagnosis.