The present invention relates to: a composition for preventing and removing plant pathogens and restoring soil, containing, as an active ingredient, a product obtained by adding rice bran and an energy source for fermentation to one or more hot water extracts, and fermenting the obtained mixture and a preparation method therefor. The one or more hot water extracts are one or more hot water extracts selected from Ailanthus altissima, Cedrela sinensis, Acanthopanax sessiliflorus, an elm, a ginkgo, a maple, Sichuan pepper, a mulberry, Cudrania tricuspidata (Carr.) Bureau ex Lavallee, a cherry tree, an olive tree, a grape, a fig, a trifoliate orange tree, a peach tree (garden balsam), a pomegranate tree, a mistletoe, a willow, an ash tree, Eucommia ulmoides OLIVER, a bamboo, Phellodendron amurense, a kalopanax, a silk tree, a bo tree, a wisteria, a silver magnolia, Prunus padus L., a paper mulberry, a jujube tree, Aralia elata, Platycladus orientalis, Chamaecyparis obtusa, Catalpa ovata, Torreya nucifera, Cephalotaxus koreana, Rhus javanica, Paeonia suffruticosa, an arrowroot, Lycium chinense Mill., a blueberry, Lonicera japonica, Sophora flavescens, Paeonia lactiflora, Phlomis umbrosa Turcz, Opuntia humifusa, a cactus, aloe, Saururus chinensis BAILL., Houttuynia cordata Thunb., Hyssopus officinalis, a chrysanthemum, Artemisia annua, Rumex japonicus, Rheum rhabarbarum, Coptis japonica Makino, a soybean, barley, wheat, corns, herbs, Curcuma longa L., curry, basil, a banana, a pineapple, litchi, an orange, mango, avocado, coconut, raspberry, lime, grapefruit, Phoenix dactylifera, Cordyceps militaris, Phellinus linteus, Ganoderma lucidum and Fomes fomentarius.La présente invention concerne : une composition pour la prévention et lélimination dagents pathogènes des plantes et la restauration du sol, contenant, comme ingédient actif, un produit obtenu par addition de son de riz et dune source dénergie pour la fermentation à un ou plusieurs extraits par leau chaude, et la fer