Abstract: In order to explore the effect of germination temperature on seed germination of protective plants,the seed germination rate,germination potential and seedling height under different temperature conditions were quantitatively tested.The results showed that the seed germination and seedling growth of the tested plants showed different changes under different temperatures.In addition to the seeds of Cosmos sulphureus and Coreopsis,the germination rate and germination potential of the seeds of Cynodon dactylon,Amorpha fruticosa,crown vetch,Magnolia multiflora and Paspalum notatum grass increased with the increase of germination temperature.The optimum germination temperature of 6 kinds of plant seeds was 25℃,and the optimum germination temperature of Cosmos sulphureus was 20 ℃.The seedling growth of Cynodon dactylon,Amorpha fruticosa,crown vetch,Magnolia multiflora,Paspalum notatum and Coreopsis showed an increasing trend with the increase of test temperature（15-25 ℃）,while the seedling growth of Cosmos sulphureus was decreased with the increase of temperature（15-25℃）.