Cerebral thrombosis in the brainstem area is life-threatening. The brainstem has a series of physiological activities including maintaining heartbeat and respiration, and it is the center of respiration and heartbeat. When cerebral thrombosis occurs in the brainstem, it will lead to edema of brain tissues due to lack of oxygen, and involvement of intracranial nerves, which will lead to the failure of respiratory and heartbeat centers, thus resulting in respiratory and cardiac arrests and other critical signs, and it will be life-threatening if it is not rescued in time. In addition, brainstem thrombosis will also cause changes in the cone beam, which affects both the motor function and sensory impairment of the limbs, and will cause paralysis, limb weakness, slurred speech, swallowing disorders, etc., as well as seriously affecting normal physiological activities, and thus is also very dangerous. It is recommended to go to the hospital for treatment as soon as possible to avoid the delay of the condition, which can seriously lead to life-threatening.