Some time ago, old man Wang’s trigeminal neuralgia came back, and his medication did not work, so he went to the neurosurgery department of the Tenth People’s Hospital and registered for my expert number. I told him that trigeminal neuralgia mostly occurs in autumn, winter and spring, when the seasons change. However, recently, as the temperature rises, more and more patients come to the Tenth People’s Hospital for trigeminal neuralgia, mostly due to the large temperature difference between the air-conditioned room they live in and the outside world. Trigeminal neuralgia is a painful pain that occurs in the area of the trigeminal nerve in the face, mostly in the elderly. The majority of the pain is caused by the compression of the trigeminal nerve by blood vessels. The clinical manifestations are: the pain is confined to the face, and generally speaking, it is on half of the face, and the pain does not go beyond the midline, which can be the simple forehead bounded by the eyes; it can also be between the eyes and the mouth; in addition, it can also be the area below the mouth or the upper or lower teeth pain. Wang has been suffering from trigeminal neuralgia for more than 3 years, and the pain is mainly in the right upper lip area. It used to come on mainly in early winter, and the pain is like electric shock, but it can be stopped by taking medicine. When the weather warms up, the pain will become lighter and there will be no need for medication. The last few days, because the weather is too hot, the family turned on the air conditioning. The pain was so bad that he couldn’t speak or eat. I took a detailed medical history and performed a special trigeminal MRI to confirm that his trigeminal neuralgia was caused by the compression of the trigeminal nerve root by blood vessels. Based on his condition, he was admitted to the hospital and on the third day, he underwent a minimally invasive lock-hole microvascular decompression. Immediately after the operation, his pain disappeared and he was happily discharged a week later. In the past three years, the Department of Neurosurgery of the Tenth Hospital has successfully cured more than 200 similar patients. Abnormal vasoconstriction caused by large temperature difference When he was discharged from the hospital, I explained to him the trigger of this trigeminal neuralgia attack. Every year, during the change of seasons, such as autumn, winter and spring, the change of temperature can stimulate muscle and blood vessel contraction, which makes the trigeminal nerve discharge abnormally and causes severe pain. In summer, although the weather is hot, the air conditioning is on at home. If the temperature difference between the air-conditioned room and the outside world is too large, it can also cause abnormal vasoconstriction. Especially if the cold air blows directly on the patient’s face, it is easy to trigger trigeminal neuralgia. Patients with a history of trigeminal neuralgia should be reminded to maintain a suitable temperature in the summer to avoid sudden cold and heat. Once a patient has trigeminal neuralgia, he or she should go to a regular hospital for treatment as soon as possible. This is because this disease will not heal on its own, but will only become more and more painful. Trigeminal neuralgia is not terrible, and modern medicine has a variety of methods to treat this disease. For different conditions, the Neurosurgery Department of the Tenth Hospital can provide patients with medication, and can also do radiofrequency temperature-controlled thermocoagulation of the trigeminal nerve hemianopia, and can also provide the internationally recognized treatment with the best therapeutic effect and the lowest recurrence rate is the microvascular decompression.