Meningeal metastasis usually refers to meningeal metastatic tumor. Symptoms of meningeal metastatic tumor mainly include headache, nausea and vomiting, vision loss, brain nerve damage and so on. 1. Headache: headache is the most common symptom of meningeal metastases, and the pain can be progressively aggravated. In severe cases, the pain will last for a long time and hard to be relieved. 2. Nausea and vomiting: when the headache is severe, it will be accompanied by nausea and vomiting, and the vomiting is usually in the form of jet. 3. Loss of vision: patients with meningeal metastatic tumor may also have optic papillae edema, and with the prolongation of edema, patients will have loss of vision. 4. Brain nerve damage: if the metastatic tumor causes brain nerve damage, the patient may also have slurred speech, crooked corners of the mouth, crooked tongue, etc. If the patient has the above symptoms, it is recommended to take prompt action. If the patient has the above symptoms, it is recommended to consult the doctor in time. Severe patients may also have epileptic seizures, which need to consult the doctor immediately.