The invention discloses a bacillus pumilus strain and application of the bacillus pumilus strain. The strain is stored with a number of CCTCC No.: M2012428. The strain can be applied to the field of a feed additive. According to the bacillus pumilus strain, bacillus pumilus BP14 is selected from the soil in a dorking farm; the strain has resistance to high temperature, can produce protease, obviously inhibit the growth of animal escherichia coli and salmonella, and effectively promote a production performance of farmed animals; and the bacillus pumilus strain can be served as the feed additive to be applied to livestock feed; and a wide application prospect is provided.