To determine whether you are neuralgia needs to be combined with the patient’s clinical symptoms and other judgment, but it is easy to misjudgment, it is recommended to go to the hospital in a timely manner. Neuralgia is a pain felt in the absence of external stimuli, usually due to disease or somatosensory system lesions directly caused by the pain, often manifested as a specific peripheral nerve innervation area of severe pain. Neuralgia can be categorized into trigeminal neuralgia, intercostal neuralgia, sciatica and so on according to the different parts of the pain, and the symptoms manifested are also different. Trigeminal neuralgia mainly manifests as cutting, tearing, pinprick, burning or electric shock-like intense and unbearable pain, or even excruciating pain. Intercostal neuralgia pain can be a persistent burning, stabbing pain along one or more of the intercostal spaces, and can be aggravated by coughing, breathing, or sneezing. Sciatica pain mainly along the sciatic nerve path from the lumbar, buttock to the posterior femur, calf posterior lateral and lateral foot radiation, often persistent dull pain, but also can be cut-like, electric shock-like, burning pain. Neuralgia only rely on clinical manifestations to determine the lack of scientific, it is recommended to go to the hospital if necessary, improve angiography, nerve electrophysiology, nerve or skin biopsy, X-ray examination and other tests to clarify the diagnosis.