Cranial Nerve Mapping is a precise technique for identifying and preserving cranial nerves’ function during surgery. Stimulating various points along the surgical field to locate and differentiate cranial nerves from surrounding tissues offers real-time guidance, helping surgeons avoid damaging these critical nerves and protecting essential functions such as speech, facial movements, and sensory abilities. Cranial nerve mapping is indispensable for complex area surgeries, significantly improving patient safety and postoperative quality of life.