Abstract: As the future space refrigeration demand becomes higher and higher, the refrigerator with multiple refrigeration capacity is more efficient than multiple refrigerators. By reducing the redundancy, this kind of cryocooler not only improves the reliability of the system, but also meets the urgent need about integration of the cryogenic system. In this paper, according to different structure of stirling type cryocooler driving multiple expanders with single linear compressor, we summarize and analyze it`s refrigeration effect and prospects.