Taking‘ Zhongnong No.26’ cucumber（Cucumis sativus L.）as material，and traditional peat
and vermiculite media as the contrast，this experiment mixed the paper mill sludge，Chinese herb medicine
residue and banana plant，according to different ratios as compost；then studied on the physical and chemical
properties of different mixed proportion substrates and their influences on the effects of cucumber seedling culture.
The results indicated that the mixed proportion substrates of paper mill sludge could meet the requirement of
seedling media．Among all treatments，T5（paper mill sludge︰banana plant=1 V︰1 V）compound substrate
could culture cucumber seedlings with the highest healthy index and the best growth effect．Except plant height，
its emergence rate，stem diameter，leaf number，chlorophyll content，dry and fresh weights，root -top ratio，G
value，etc. physiological indexes had nosignificant differences with the contrast（peat︰vermiculite=2 V︰1 V）. It
can be used as an ideal cucumber seedling culture substrates.