Quality control of pipelines operating at high pressure is crucial to ensuring safety, reliability, and efficiency in industrial applications. This article explores advanced methods and technologies used in high-pressure pipeline inspection and maintenance. It discusses key factors affecting pipeline integrity, such as material properties, environmental influences, and operational stresses. The study highlights non-destructive testing (NDT) techniques, including ultrasonic testing, magnetic flux leakage, and acoustic emission monitoring, as well as digital solutions like real-time monitoring and predictive maintenance systems. Implementing effective quality control measures enhances pipeline lifespan, reduces the risk of failures, and ensures compliance with regulatory standards.