With the continuous development of science and technology, pressure sensor technology is also improving. The new pressure sensor has higher accuracy, wider measurement range and faster response speed. However, the development of technology also brings challenges. How to reduce the cost while ensuring the accuracy is an important problem to be solved in the development of pressure sensor technology. In addition, with the rise of technologies such as the Internet of Things and big data, how to seamlessly connect pressure sensors with other smart devices to achieve real-time data transmission and processing is also a hot spot of current research. These challenges require constant exploration and innovation by researchers to drive the continued development of pressure sensor technology.