In order to screen and obtain good bio-control bacterial strain, this study isolated and screened cultivable bacteria from the top paddy soil by means of dilution method and inhibition test in plate. An effective antagonistic bacteria named LRS-1 was isolated from 167 cultivable bacteria strains. It was identified as Paenibacillus polymyxa bacteria. The strain owned as much as 68% inhibition rate against Phytophthora capsici in door and 63.4% controlling effect on Phytophthora blight of pepper in greenhouse. The result of Real-time PCR test i...