It is meaningful to plant salinity-alkalinity resistant crops for their low cost,fast efficiency and salinity-alkalinity land modified.Jerusalem artichoke(Helianthus tuberosus) is one of the rare salinity-alkalinity resistant energy plants.The changes of biomass are different when the density and kinds of saline and alkaline are different.In this paper,the effects of NaCl、Na2CO3 and seawater stress on growth of Jerusalem and abating effect of calcium ion under salinity-alkalinity stress were briefly introduced.