Documentation within the pharmaceutical industry plays a vital role in ensuring quality assurance, regulatory adherence, and smooth manufacturing operations. It includes various essential records such as Standard Operating Procedures (SOPs), Master Formula Records (MFR), Batch Manufacturing Records (BMR), In-Process Quality Control (IPQC) reports, and Drug Master File (DMF) data. These documents establish a systematic framework for organizing, executing, and tracking manufacturing processes, ensuring product consistency and complete batch traceability. Effective documentation not only aids in regulatory audits and inspections but also supports process validation, minimizes human error, and upholds data integrity. Moreover, it acts as a communication bridge between departments, providing clear process guidelines and enabling prompt management of deviations. This review underscores the significance of accurate and comprehensive documentation in maintaining Good Manufacturing Practice (GMP) compliance, enhancing operational performance, and protecting patient health. It further addresses common issues such as documentation mistakes, incomplete data, and record management challenges, while suggesting solutions like digital transformation and automated documentation systems. In summary, strong documentation practices are essential for producing safe, effective, and high-quality pharmaceutical products.