Trigeminal neuralgia is often described by people as the "world's first pain," highlighting the severity of this condition. Patients usually experience excruciating pain in the areas of the head and face served by the trigeminal nerve during activities such as washing their face, brushing their teeth, eating, drinking, combing their hair, and even in a state of rest. The pain can feel like cutting, burning, tearing, or electric shocks, making it unbearable and extremely agonizing. Clinically, trigeminal neuralgia is characterized by a sudden onset, long duration of illness, and a very slow, or even impossible, recovery. Therefore, those suffering from trigeminal neuralgia often face tremendous physical and psychological challenges. It is a serious disease.