Pressure sensor, as an indispensable precision component in modern industry and science and technology, its importance is self-evident. It is like a microcosmic guardian, able to accurately pick up small pressure changes in the environment and convert them into measurable electrical signals. This transformation capability makes pressure sensors play a key role in many fields such as industrial automation, medical equipment, aerospace and automotive electronics. For example, in industrial production lines, pressure sensors monitor the pressure status of fluids or gases in real time to ensure the stability and safety of the production process; In medical equipment, it has become a core component of equipment such as blood pressure monitors and ventilators, escorting the life and health of patients. With the continuous progress of technology, the accuracy, stability and response speed of pressure sensors are also continuing to improve, providing strong technical support for the intelligent and automated development of all walks of life.