Typical trigeminal neuralgia performance: 1. It is common in middle-aged and old people, that is, it starts to develop after 40-50 years old; 2. The nature of pain: commonly known as the “world’s first pain”, it is like a knife cut, electric shock-like, tear-like, sharp and severe pain, which is obviously different from toothache and common stomach pain, which is called dull pain, and the location of pain is not very precise. The location of sharp pain is very precise after the injury of needles, knives, etc. 3, pain site: confined to the trigeminal nerve distribution area of the face (usually we wash our faces Figure 2), bounded by the midline of the nose, limited to one side of the attack, radiating along a branch of the trigeminal nerve distribution area, not more than the midline, can be 1, 2, 3 branches alone pain, but also adjacent to two branches, such as 1 + 2, 2 + 3 or 1 + 2 + 3 are attacked, there will not be 1 + 3 branches of this situation. 4, the type of seizure: pain occurs as a sudden, lasting a few seconds to a few minutes, there is no obvious pattern, can be a good long time without, can also be a day seizure hundreds of times, often with the passage of time, the seizure more and more frequent. 5. The most characteristic manifestation: trigger point, also called trigger point. When patients brush their teeth, eat, drink or speak, or touch their cheeks, upper and lower lips, nose and other parts of the body will cause painful flare-ups, which is called the trigger point (Figure 3), and is also the most characteristic manifestation of trigeminal neuralgia that distinguishes it from dental pain, temporomandibular joint pain and other diseases. 6, In addition, typical trigeminal neuralgia responds well to treatment with carbamazepine, at least early pain relief is also a major feature. Atypical trigeminal neuralgia Some patients have typical attacks in the early stage, and later, because they have experienced a variety of treatments (such as local acupuncture, closure, physiotherapy, etc.), the above symptoms are not obvious, such as the site of pain, there is no obvious performance on which one, the nature of pain also becomes persistent and less sharp, the trigger point is also blurred, and the effect of carbamazepine treatment is not good. There are also patients who are atypical to begin with, including the age of onset (very young, starting in their 20s), the site, nature and type of pain episodes, not to mention the absence of a clear trigger point. Finally, the general public is reminded that seeing a doctor cannot be taken literally, nor can they simply diagnose and treat themselves from newspapers or the Internet. We are only hoping for a basic understanding through some scientific education on disease knowledge, which cannot be completely right, and specific diagnosis and treatment requires a hospital visit.