The improvement techniques of saline alkaline soil by puccinellia sp. were summarized according to the experiments of many years of puccinellia cultivation in the western region of Jilin Province. The technical measures about variety selection, plot selection, land preparation, sowing, irrigation, fertilization, weed management and forage utilization were described. The technical supports for improvement of saline-alkaline soil in the west region ofJilin Province were provided.