There are several reasons why the work stability of the subordinate units of Changchun Institute of Optics and Mechanics is relatively high. First of all, Changchun Institute of Optics and Mechanics, as a research institute of Chinese Academy of Sciences, has stable scientific research projects and technical support, providing a stable business foundation for its subsidiaries. Secondly, Changchun Institute of Optics and Mechanics has strong R&D strength and market competitiveness in the field of photoelectric technology, which enables its subsidiaries to obtain more business opportunities and partners by relying on its brand and technical advantages. In addition, Changchun Institute of Optics and Mechanics and its subsidiaries pay attention to employees' welfare and career development, and provide a stable salary system, training opportunities and promotion channels, so that employees can obtain stable income and career growth. To sum up, the subordinate units of Changchun Institute of Optics and Mechanics have high job stability, providing employees with a stable working environment and development opportunities.