The effective ingredient is wrapped in the capsule wall material to make a small sphere of several microns to several hundred microns, and the effective ingredient is closed in the capsule, which can inhibit adverse environmental factors, significantly improve the stability of microorganisms, and significantly extend the shelf life. This technology is the first in the world, which not only effectively solves the problem of storage and transportation, but also greatly reduces the cost of agricultural production and significantly improves the application effect of biopesticide.