Patients with a burst of stabbing pain in the left side of the head, consider the following aspects: 1. Consider occipital neuralgia, which is usually easily triggered by poor rest, exertion, cold, fever, etc. Patients will show a burst of stabbing pain in the back of the occipital area on one side, which may last for a few seconds or tens of seconds, and the symptoms of stabbing pain in the head will increase when patients sneeze, cough or walk. 2. If the patient has a stabbing pain in the left side of the head, consider also the possibility of migraine, migraine is a vascular headache, caused by vasodilatation and diastolic dysfunction of the head, the patient will show a stabbing pain in the left side of the head, and in severe cases it may be accompanied by photophobia, nausea and vomiting. 3. Consider that it is caused by neurological weakness, if the patient stays up late or does not rest well, it is easy to The symptoms of headache will be manifested as a burst of vague pain, and the pain is mostly not intense.