The precursors of waking up from coma with brainstem hemorrhage are, firstly, the vital signs are relatively stable, secondly, the eyeballs can follow the instruction to move, and again, the limbs are able to carry out the corresponding compliant movement. 1. Relatively stable vital signs: only when the vital signs are relatively stable, there is a possibility of awakening, such as breathing, heartbeat, pulse, body temperature, etc. are in a relatively controllable range, and will not appear very violent fluctuations. 2. The eyeballs can follow the instructions to move: this phenomenon is often a precursor to wakefulness, and if you can have a better movement, especially to follow the instructions to move, and even can be directly recognized as awake. 3. Limb compliance movement: if you can really achieve the situation of limb compliance movement, basically it can be judged as a kind of awakening state, such as being able to shake hands and release hands twice in a row. Brain stem hemorrhage is more dangerous, it is recommended to follow the doctor’s advice to choose the appropriate treatment plan, comprehensive assessment of the condition.