Waxy bacillus and its prepn.

The present invention discloses a method for preparing and Bacillus cereus, Bacillus cereus Bacilluscereus, Bc, YM-2102, CCTCC NO: M202011. First, soil is placed in a test tube nutrient broth, after 75 ~ 78 ℃, water bath, shaking culture predetermined time; followed by the diluted nutrient broth, spread on an LB medium, an inverted culture incubator predetermined time, single colonies examination; again is a single colony purified on LB medium, the fermentation medium was inoculated in shake flask fermentations to spores off. The method of the present invention is simple, easy operation, low cost, can significantly improve the insecticidal activity of Bacillus thuringiensis insecticides for industrial production.