The increasing use of infrared detector components in military and space applications has generated growing demand for reliability assessments. However, the lack of standardized evaluation methods for component reliability and the challenges in assessing key reliability indicators pose complexities for research institutes. To address this issue, we conducted a comprehensive review of recent reliability assessment research conducted by leading foreign research institutions on infrared detectors, consolidated the results of accelerated life tests on primary subassemblies, and proposed several approaches to enhance the evaluability and precision of components, including conducting accelerated tests on key subassemblies: FPA, dewar and cooler, employing essential research methodologies such as standard usage profiles and acceleration factors, and integrating engineering expertise, theoretical techniques, statistical tools, and field data feedback to advance component reliability.