Abstract: Intracranial pressure (ICP) is a critical physiological parameter that reflects the pressure exerted within the skull and surrounding brain tissue. Monitoring ICP is essential in various clinical scenarios, including traumatic brain injury, hydrocephalus, intracranial hemorrhage, and other neurological conditions. Elevated ICP can lead to severe complications, including cerebral herniation and neurological deterioration, necessitating prompt diagnosis and intervention. Traditional methods for measuring ICP involve invasive procedures, such as inserting intracranial probes or performing lumbar punctures, which carry inherent risks and limitations. Non-invasive techniques offer a safer and more patient-friendly approach to ICP monitoring, reducing the need for invasive interventions and improving patient comfort and compliance. This document provides an overview of intracranial pressure, including its physiological significance, clinical relevance, measurement techniques, and monitoring considerations. It explores both invasive and non-invasive methods for assessing ICP, highlighting the advantages and limitations of each approach. Additionally, it discusses emerging technologies and innovations in non-invasive ICP monitoring, emphasizing the importance of accurate and reliable ICP measurement in clinical practice. By understanding the principles and applications of intracranial pressure monitoring, healthcare professionals can make informed decisions regarding patient care, optimize treatment strategies, and improve outcomes for individuals with neurological disorders. This document serves as a comprehensive resource for clinicians, researchers, and healthcare stakeholders involved in the management of intracranial pathology and critical care patients.