In order to realize the space application of strontium atomic optical clocks, the use of permanent magnet Zeeman slower can effectively avoid the problems of high power consumption and large volume ratio caused by tower coils, and is conducive to the spatial development of optical clocks. The annular and cylindrical Zeeman slowers of strontium optical clocks based on permanent magnets have their own advantages and disadvantages in the deceleration principle, magnetic field construction and sample development. The deceleration efficiency of the two slowers can be measured by Doppler velocimetry, and the deceleration distribution curves of the two slowers are cumulatively distributed and compared. The experimental results show that both the two permanent magnet Zeeman slowers achieve a certain deceleration effect, but the volume and deceleration effect of the annular permanent magnet Zeeman slower are compared with the cylindrical permanent magnet Zeeman slower with a single x direction. It has been reduced by 60%, the weight has been reduced by 80%, and the efficiency of some areas of the deceleration effect is doubled, so the advantages are even more significant. The ring-shaped permanent magnet Zeeman slower was further used to capture three isotopes of strontium atoms, and the first-order capture of a miniaturized strontium atomic optical clock was completed, meeting the design requirements of a compact optical clock with zero power consumption and small size.