In this paper , the symplectic direct decomposition of complex symplectic linear spaces is given . these results laid foundations for further research on normal forms of complex symplectic matrices 給出了復(fù)辛線性空間的辛直和分解,這些結(jié)果為將來(lái)進(jìn)一步研究復(fù)辛矩陣的標(biāo)準(zhǔn)形打下了基礎(chǔ)