A Digital Tourniquet Machine is a medical device used to temporarily stop blood flow to a limb during surgical procedures, providing a clear and bloodless operating field. It applies controlled air pressure to a tourniquet cuff placed around the patient's arm or leg, ensuring safe and effective occlusion of blood circulation. The device features a digital display that shows cuff pressure, inflation time, and operating status for accurate monitoring. Digital tourniquet machines are widely used in orthopedic, plastic, vascular, and hand surgeries. They include adjustable pressure settings, programmable timers, audible and visual alarms, and safety mechanisms to prevent excessive cuff pressure or prolonged inflation. Many models support single or dual cuff operation, allowing flexibility during different surgical procedures. The machine improves surgical visibility, reduces blood loss, and enhances procedural efficiency. Regular calibration, inspection of cuffs and tubing, and routine maintenance are essential to ensure accurate performance and patient safety. Digital tourniquet machines play an important role in modern surgical care by providing reliable and controlled limb occlusion.