[Objective] The effect of ultrasonic wave on seedling growth of wheat in different salinity were studied to improve the adaptability of wheat salt tolerance.[Method] The seedlings of the wheat were treated with ultrasonic wave,and the change of seedling growth indicators of the wheat was detected in different salinity including leaf number,root number,seedling height and root length.[Result] The result showed that after culture solution culture solution culture solution culture solution culture solution tet...