In order to search the harness and renew technique for degraded grassland of western Jilin province soil and rejuvenation the degraded grassland,field experiment was carried to search the effects of different improve measures to the soil physical and chemical character of grassland.The results indicated that each kind of technique is effective to the improve of grassland soil,applying cornstalk into soil had the best effect on increasing the quantity of water steady accumulation,increased 34.5% compare to CK,soil accumulation destroy rate decreased 22.7%.Each kind of technique is effective to decrease the soil bulk density;enclosure reduced 31.7% of ESP.The grassland soil is short of phosphorus and potassium,applying organic fertilizer accompany with chemical fertilizer is more effective than applying chemical fertilizer.