Meningiomas are mostly benign tumors that grow slowly, and most tumors have no obvious early symptoms. However, when tumors are located in specific areas, they can show some specific symptoms early. The most common signs and symptoms of meningioma are headache and seizure, and they are often the first symptoms. If these symptoms occur, it is important to take them seriously and get checked out by neurosurgery as soon as possible. Most meningioma patients have headache symptoms, but the location of the pain does not correlate with the location of the tumor and is often misdiagnosed as migraine, neuropathic headache, or tension headache. Frequent headache requires cranial CT or MR examination, which can detect meningioma early. Years of headache symptoms, gradually aggravated, the duration of pain gradually prolonged into persistent, the effect of general pain medication is poor, accompanied by nausea and vomiting symptoms, often suggest that the tumor has been larger; epilepsy is also a common symptom of meningioma, 50% of meningioma patients have seizures. Small seizures are the most common symptom of central sagittal sinus paraganglioma. Left-sided limb twitching with the tumor on the right side and right-sided limb twitching with the tumor on the left side are cross-dominant. Sudden onset of seizures, especially in adults, is highly suspicious of brain occupying lesions, including meningioma, and requires cranial CT or MR examination. In addition, if there is a gradual loss of vision and visual field defects (incomplete vision and frequent bumping into peripheral objects when walking), the tumor’s compression of the optic nerve needs to be considered as the cause after excluding the eye itself. The gradual appearance of hemilateral limb weakness and numbness, etc., eye movement disorder, strabismus, choking on food and drink, difficulty in swallowing, hearing loss, unstable walking, etc. should also be considered as the presence of tumor. In clinical work, most meningiomas are found by physical examination or accidental head injury, and are detected by cranial CT or MR. CT is a non-invasive examination, which is convenient, fast and inexpensive, and easily accepted by patients. Lesions at the base of the skull sometimes do not show up well due to artifacts and require cranial MR examinations. MRI can clearly show the relationship between the tumor and the surrounding soft tissues, and the diagnostic accuracy is very high, and very small lesions can be detected early.