Abstract: Optical quantum pressure standards offer significant advantages in primary measurement, including extremely high resolution, inherent accuracy, and independence from physical artifacts. These characteristics make them the preferred direction for developing next-generation pressure measurement benchmarks. Numerous metrology research institutions and universities worldwide have conducted relevant studies in this field. This paper introduces the working principle of optical quantum pressure measurement based on Fabry-Pérot cavities. It provides a comprehensive review of the current research status in optical quantum pressure standards both domestically and internationally. The article also recounts the work conducted by the National Institute of Metrology of China to enhance the performance of optical quantum pressure standard devices. This includes research progress in suppressing vacuum outgassing effects, eliminating zero-point errors, and independently determining correction factors. Furthermore, the paper discusses future research priorities and development trends for optical quantum pressure standards.