This document outlines the principles of Good Laboratory Practices (GLP). GLP provides a framework for conducting laboratory studies and ensuring quality and integrity of data. The key points covered include defining GLP and its purpose of certifying valid study steps. Ten GLP principles are described relating to laboratory organization, facilities, equipment, test systems, methods, and record keeping. Maintaining proper documentation, conducting quality assurance inspections, and retaining records and materials are emphasized. In conclusion, following GLP guidelines helps produce high quality data and ensures proper laboratory management.